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  4. Consultant Names That Begin With the Letter S

Consultant Names That Begin With the Letter S

Consultant Name Caltrans Acceptance ID # Fiscal Year (m/d/yy-m/d/yy) Date Acceptance ID Issued
S and T Engineering, Inc. D2017-0045 1/1/15-12/31/15 6/16/2017
S Kwok Engineers, Inc. L2021-1270 7/1/19-6/30/20 3/12/2021
S&C Engineers, Inc L2017-0090 1/1/16-12/31/16 2/15/2018
S&H Consultants, LLC L2020-1108 1/1/20-12/31/20 7/8/2020
S&T Engineering L2018-0614 1/1/13-12/31/13 1/7/2019
S&T Engineering, Inc. L2018-0462 1/1/15-12/31/15 8/10/2018
S&T Engineering, Inc. D2018-0176 1/1/16-12/31/16 7/12/2018
S2 Engineering, Inc. D2017-0051 1/1/15-12/31/15 6/16/2017
S2 Engineering, Inc. L2017-0072 1/1/16-12/31/16 2/23/2018
S2 Engineering, Inc. D2018-0236 1/1/17-12/31/17 7/26/2018
S2 Engineering, Inc. D2019-0409 1/1/18-12/31/18 9/16/2019
S2 Engineering, Inc. D2020-0561 1/1/19-12/31/19 11/9/2020
S2 Engineering Inc. D2022-0972 01/01/20 - 12/31/20 5/6/2022
S2 Engineering, Inc. D2024-1190 1/01/22 - 12/31/22 10/27/2023
S2S ERM (Surf to Snow Environmental Resource Management, Inc.) D2018-0199 1/1/18-12/31/18 5/30/2018
Sacramento Engineering Consultants D2018-0247 1/1/16-12/31/16 7/16/2018
Sacramento Engineering Consultants, Inc.
 D2024-1146 1/01/22-12/31/22 9/7/2023
Safe Moves L2018-0151 1/1/16-12/31/16 4/24/2018
Safe Moves L2019-0898 1/1/17-12/31/17 9/13/2019
SafeProbe Engineering L2018-0184 1/1/17-12/31/17 3/30/2018
Safe Streets Research & Consulting, LLC
 L2024-1819 1/01/24-12/31/24 1/12/2024
Safework, Inc. D2017-0031 1/1/15-12/31/15 5/30/2017
Safework, Inc. D2017-0118 1/1/16-12/31/16 9/21/2017
Safework, Inc. D2018-0266 1/1/17-12/31/17 9/12/2018
Safework, Inc. dba SafeworkCM
 D2021-0709 1/1/19-12/31/19
 1/29/2021
SafeworkCM D2018-0186 1/1/16-12/31/16 5/17/2018
Safety Solutions, Inc. L2023-1751 1/01/23-12/31/23 5/26/2023
Salaber Associates, Inc. L2018-0541 1/1/17-12/31/17 10/9/2018
Salaber Associates, Inc. L2019-0884 1/1/18-12/31/18 9/11/2019
Salaber Associates, Inc. L2020-1182 1/1/19-12/31/19 11/19/2020
Salaber Associates, Inc. L2023-1747 1/01/21-12/31/21
 5/15/2023
Salimi Management, LLC D2021-0764 1/1/19-12/31/19 5/5/2021
Salimi Management, LLC D2021-0875 1/1/20-12/31/20
 11/17/2021
Sally Swanson Architects, Inc. D2017-0058 1/1/15-12/31/15 6/23/2017
Sam Schwartz Engineering, DPC and Affiliate L2022-1619 1/1/20-12/31/20 6/7/2022
Sama Construction Services Corporation  D2024-1113 1/01/23-12/31/23 8/17/2023
Sampo Engineering, Inc. L2018-0278 1/1/18-12/31/18 5/29/2018
Samsa Engineering, Inc. D2024-1195 1/01/23 - 12/31/23 10/30/2023
San Diego Society of Natural History (SDSNH) D2019-0429 7/1/17-6/30/18 10/29/2019
San Diego Society of Natural History (SDSNH) D2022-0992 7/1/20-6/31/21 5/23/2022
San Diego State University Research Foundation D2021-0733 7/1/18-6/30/23 3/30/2021
San Dieguito Engineering, Inc. L2019-0995 1/1/18-12/31/18 12/19/2019
San Dieguito Engineering, Inc.
 L2021-1338 1/1/19-12/31/19 6/30/2021
San Dieguito Engineering, Inc. D2024-1151 1/01/21-12/31/21 9/28/2023
San Mateo County Office of Education L2018-0146 7/1/16-6/30/17 4/24/2018
Sanchez/Kamps Associates Design, DBA SKA Design L2018-0374 1/1/17-12/31/17 7/10/2018
Sanchez/Kamps Associates Design, DBA SKA Design L2021-1484 1/1/20-12/31/20 1/12/2022
Santa Barbara Museum of Natural History D2018-0297 1/1/18-12/31/18 11/19/2018
Sapere Environmental, LLC L2018-0448 1/1/17-12/31/17 8/8/2018
Sapper West, Inc. D2018-0200 1/1/18-12/31/18 5/30/2018
Sapphos Environmental, Inc. L2018-0747 1/1/15-12/31/15 5/31/2019
Sapphos Environmental, Inc. L2021-1319 1/1/20-12/31/20 4/23/2021
Sappos Environmental, Inc. L2018-0626 1/1/17-12/31/17 2/7/2019
Sarro Associates L2018-0232 1/1/18-12/31/18 5/2/2018
Sarro Associates, Inc. L2020-1204 1/1/20-12/31/20 12/3/2020
Satellite Sports Group Perfection on Wheels (Erick Soto) L2018-0158 1/1/16-12/31/16 4/24/2018
Saving Sacred Sites D2019-0499 1/1/19-12/31/19 12/23/19
Saving Sacred Sites L2022-1604 1/1/22-12/31/22 6/6/2022
Saylor Consulting Group, Inc. D2020-0595 1/1/19-12/31/19 6/18/2020
Saylor Consulting Group, Inc. D2021-0868 1/1/20-12/30/20 11/5/2021
Saylor Consulting Group D2024-1147 1/01/21-12/31/21 9/21/2023
Saylor Consulting Group D2024-1214 1/01/22-12/31/22 3/14/2024
SC Solutions D2018-0161 4/1/16-3/1/17 3/6/2018
SC Solutions D2018-0317 4/1/17-3/31/18 12/14/2018
SC Solutions, Inc.
 D2021-0913 4/1/20-3/31/21 12/16/2021
SCA Environmental, Inc. L2018-0294 1/1/16-12/31/16 6/19/2018
Schaaf & Wheeler L2017-0089 1/1/16-12/31/16 1/10/2018
Schaaf & Wheeler Consulting Civil Engineers L2020-1075 1/1/19 - 1/31/19 5/21/2020
Schaaf & Wheeler Consulting & Engineers D2022-0948 1/1/20-12/31/20 3/3/2022
Schaaf & Wheeler Consulting Civil Engineers, Inc. D2023-1025 1/1/21-12/31/21 2/13/2023
Schaefer Ecological Solution L2022-1605 1/1/22-12/31/22 6/6/2022
Schmidt Design Group, Inc. L2020-1072 1/31/18-12/31/18 5/13/2020
Schmidt Design Group, Inc. L2021-1282 1/1/19-12/31/19 3/10/2021
Scola & Associates (S&A) L2018-0813 1/1/19-12/31/19 7/9/2019
SCST, Inc. L2018-0329 1/1/16-12/31/16 5/29/2018
SCST, Inc. L2018-0575 1/1/17-12/31/17 2/13/2019
SCST, Inc. L2020-1047 1/1/18-12/31/18 8/24/2020
Sea Engineering D2019-0415 1/1/18-12/31/18 9/18/2019
Secretariat International L2018-0147 1/1/17-12/31/17 5/22/2018
SecurSpace, Inc. L2020-1081 1/1/20-12/31/20 6/3/2020
Selbert Perkins Design L2018-0832 1/1/17-12/31/17 7/31/2019
SEM Incorporated D2018-0285 1/1/17-12/31/17 10/17/2018
SEM Incorporated L2022-1644 1/1/20-12/31/20 8/23/2022
Sequoia Consultants, Inc. L2019-0957 1/1/18-12/31/18 10/31/2019
Sequoia Consultants, Inc. L2021-1386 1/1/20- 2/31/20 10/22/2021
Sequoia Ecological Consulting, Inc. L2018-0211 1/1/16-12/31/16 4/26/2018
Sequoia Ecological Consulting, Inc. L2018-0465 1/1/17-12/31/17 8/22/2018
Sequoia Ecological Consulting, Inc. D2019-0502 1/1/18-12/31/18 12/05/19
Sequoia Ecological Consulting, Inc. D2020-0585 1/1/19-12/31/19 5/21/2020
Sequoia Ecological Consulting, Inc. D2021-0776 1/1/20-12/31/20 5/6/2021
Shannon & Wilson, Inc. L2017-0033 1/1/15-12/31/15 8/10/2017
Shannon & Wilson, Inc. L2018-0160 1/1/16-12/31/16 3/22/2018
Shannon & Wilson, Inc. L2018-0319 1/1/14-12/31/14 5/17/2018
Sherwood Design Engineers L2017-0051 1/1/16-12/31/16 11/21/2017
Shiels Sowko Consultants D2023-1044 1/1/23-12/31/23 1/25/2023
SHN Consulting Engineers & Geologists, Inc L2018-0123 1/1/16-12/31/16 3/20/2018
SHN Consulting Engineers & Geologists, Inc. L2018-0307 1/1/15-12/31/15 5/16/2018
SHN Consulting Engineers & Geologists, Inc. L2018-0555 1/1/17-12/31/17 10/29/2018
SHN Consulting Engineers & Geologists, Inc. D2019-0444 1/1/18-12/31/18 11/21/2019
SHN Consulting Engineers & Geologists, Inc. L2021-1275 1/1/19-12/31/19 2/19/2021
SHN Consulting Engineers & Geologists, Inc. D2024-1201 1/01/22-12/31/22 12/14/2023
Short Rail Advisors L2018-0661 1/1/19-12/31/19 3/19/2019
Sidhu Consulting, LLC L2021-1301 1/1/20-12/31/20 4/26/2021
Siegfried Engineering, Inc. L2017-0101 1/1/16-12/31/16 1/30/2018
Siegfried Engineering, Inc. L2018-0452 1/1/17-12/31/17 8/15/2018
Siegfried Engineering, Inc. L2019-0996 1/1/18-12/31/18 12/18/2019
Siegfried Engineering, Inc. L2021-1307 1/1/20-12/31/20 3/1/2021
Sierra Designs, Inc. L2024-1818 1/01/24-12/31/24 1/10/2024
Sierra Engineering Group L2020-1185 1/1/20-12/31/20 12/9/2020
Sierra Engineering Group L2021-1256 1/1/19-12/31/19 2/25/2021
Sierra Geotech DBE, Inc L2018-0677 1/1/19-12/31/19 3/26/2019
Sierra Geotech DBE, Inc L2020-1106 1/1/20-12/31/20 6/19/2020
Sierra Geotech DBE, Inc L2021-1244 1/1/21-12/31/21 1/14/2021
Sierra Geotech DBE, Inc. L2022-1506 1/1/21-12/31/21 2/22/2022
Sierra Material Testing & Inspection, Inc. D2024-1118 1/01/23-12/31/23 9/6/2023
Sierra Overhead Analytics L2020-1044 1/1/20-12/31/20 4/9/2020
Sierra Valley Cultural Planning D2020-0686 1/1/20-12/31/20 12/2/2020
Silicon Transportation Consultants D2020-0623 1/1/20-12/31/20 09/10/20
Silicon Transportation Consultants D2021-0905 1/1/20-12/31/20 12/8/2021
Silicon Valley Bicycle Coalition L2018-0148 7/1/16-6/30/17 4/24/2018
Silva Cost Consulting, Inc. L2022-1669 1/1/22-12/31/22 10/5/2022
Silveira Consulting, Inc. L2018-0355 1/1/17-12/31/17 6/15/2018
Silveira Consulting, Inc. L2019-0859 1/1/19-12/31/19 9/3/2019
Silveira Consulting, Inc. L2021-1390 1/1/21-12/31/21 11/10/2021
Simon Wong Engineering, Inc. D2017-0044 4/1/15-3/31/16 6/16/2017
Simplex Construction Management, Inc. L2018-0721 1/1/19-12/31/19 5/29/2019
Simplex Construction Management, Inc. D2021-0773 1/1/21-12/31/21 5/7/2021
Six Rivers Geosciences D2022-1012 1/1/22-12/31/22 11/9/2022
Six Rivers Geosciences D2024-1158 1/01/23-12/31/23 9/20/2023
SJ Construction Management, Inc. L2020-1164 1/1/20 - 12/31/20 10/2/2020
SJ Construction Management, Inc. L2022-1621 1/1/22-12/31/22 6/28/2022
SJ Construction Management D2021-0897 1/1/21-12/31/21 11/18/2021
Skidmore, Owings, & Merrill LLP L2018-0125 10/1/16-9/30/17 4/2/2018
SKS Engineering, inc. L2018-0770 1/1/19-12/31/19 7/19/2019
SKS Engineering, Inc. (DBE) D2020-0521 1/1/20-12/31/20 01/30/20
Skyline Consultants D2022-1000 1/1/22-12/31/22 9/15/2022
Smith-Emery Laboratories D2018-0293 1/1/17-12/31/17 4/2/2019
Smith-Emery Laboratories L2021-1234 1/1/19-12/31/19 1/29/2021
Smith Emery Laboratories D2024-1180 1/01/22 - 12/31/22 9/27/2023
Smith-Emery Laboratories, Inc. L2022-1539 1/1/20-12/31/20 6/28/2022
SMRC Group dba of MRC PersonPower, Inc. L2019-0878 1/1/18-12/31/18 9/4/2019
SNEI California, Inc. D2019-0512 1/1/20-12/31/20 4/6/2020
SOAR Environmental Consulting L2018-0403 1/1/18-12/31/18 7/31/2018
Soar Environmental Consulting, Inc. D2018-0321 1/1/18-12/31/18 1/24/2019
SOAR Environmental Consulting, Inc. D2019-0453 1/1/18-12/31/18 12/05/19
SOAR Environmental Consulting, Inc. D2021-0726 1/01/20 -12/31/20 03/11/21
SOAR Environmental Consulting, Inc. D2021-0726 1/1/20-12/31/20 3/11/2021
SOAR Environmental Consulting, Inc. D2024-1269 1/01/22-12/31/22 4/19/2024
Soils Engineering, Inc. L2020-1166 1/1/19-12/31/19 9/30/2020
Sol Ecology, Inc. L2019-0951 1/1/18-12/31/18 11/22/2019
SOMMER Engineering, Inc. L2021-1328 1/1/21-12/31/21 6/18/2021
Sonoma RSA Inc., L2024-1821 1/01/22-12/31/22
 1/30/2024
Sonoma Technologies Inc D2022-0950 1/1/20-12/31/20 3/22/2022
Sonoma Technology, Inc. D2017-0087 1/1/16-12/31/16 6/29/2017
South Environmental LLC L2023-1711 1/01/23-12/31/23 3/10/2023
Southstar Engineering & Consulting, Inc. D2017-0125 1/1/16-12/31/16 11/7/2017
Southstar Engineering & Consulting, Inc. D2018-0278 1/1/17-12/31/17 9/19/2018
Southstar Engineering & Consulting, Inc. D2020-0517 1/1/18-12/31/18 01/30/20
Southstar Engineering & Consulting, Inc 
 D2021-0792 1/1/19-12/31/19 5/28/2021
Southstar Engineering & Consulting D2021-0900 1/1/20-12/31/20 11/29/2021
Southstar Engineering and Consulting, Inc. D2022-1007 1/1/21-12/31/21
 10/7/2022
Southwest Hydro Analytics, Inc. L2022-1563 1/1/20-12/31/20
 5/31/2022
SPRING RIVERS, ECOLOGICAL SCIENCES, LLC. D2020-0579 1/1/20-12/31/20 5/7/202020
SPS Engineers L2020-1052 1/1/20-12/31/20 4/8/2020
SPS Engineers, Inc. D2018-0312 1/1/17-12/31/17 12/14/2018
Square One Productions L2018-0257 1/1/18-12/31/18 5/9/2018
SSC, Inc. D2022-0984 01/01/22-12/31/22 5/11/2022
SSC Inc. D2024-1248 1/01/22-12/31/22 2/15/2024
SS Consultants, Inc. D2024-1197 1/01/22 - 12/31/22 10/27/2023
Stanley R. Hoffman Associates, Inc. L2018-0352 3/1/17-2/28/18 6/15/2018
Stantec Architecture, Inc. L2018-0433 1/1/17-12/31/17 8/13/2018
Stantec Consulting Services Inc. D2017-0079 1/1/16-12/31/16 8/4/2017
Stantec Consulting Services Inc. D2020-0648 1/1/2019-12/31/2019 10/19/20
Stantec Consulting Services, Inc. L2018-0480 1/1/17/12/31/17 9/20/2018
Stantec Consulting Services, Inc. L2019-0887 1/1/18-12/31/18 9/4/2019
Stantec Consulting Services, Inc. L2021-1362 1/1/20-12/31/20 8/17/2021
Stantec Consulting Services, Inc. L2022-1682 1/1/21-12/31/21 11/18/2022
Stantec Consulting Services, Inc. D2024-1199 1/01/22-12/31/22 12/21/2023
Stanton Constructability Services D2018-0298 1/1/17-12/31/17 11/13/2018
Stanton Constructability Services, LLC D2019-0412 1/1/18-12/31/18 9/3/2019
Stanton Constructability Services, LLC D2020-0663 1/1/19-12/31/19 10/23/2020
Stanton Constructability Services, LLC D2022-0952 1/1/20-12/31/20
 4/14/2022
Statistical Research, Inc. D2017-0038 1/1/15-12/31/15 6/9/2017
Statistical Research, Inc. D2017-0110 1/1/16-12/31/16 9/26/2017
Statistical Research, Inc. D2019-0475 1/1/18-12/31/18 12/06/19
Statistical Research, Inc. D2018-0333 1/1/17-12/31/17 1/31/2019
Statistical Research. Inc D2022-0979 1/1/20 - 12/31/20 5/4/2022
Statistical Research, Inc. L2023-1725 1/01/21-12/31/21 4/21/2023
Statistical Research, Inc. D2023-1108 1/01/22-12/31/22 7/20/2023
STC Traffic, Inc. L2020-1062 1/1/18 - 12/31/18 5/29/2020
STC Traffic, Inc. L2024-1773 1/01/22-12/31/22 9/25/2023
STC Traffic, Inc. (F.K.A. Stack Traffic Consulting, Inc.) L2018-0200 1/1/16-12/31/16 4/24/2018
STC Traffic, Inc. (F.K.A. Stack Traffic Consulting, Inc.) L2018-0621 1/1/17-12/31/17 1/29/2019
STC Traffic, Inc. (fka Stack Traffic Consulting, Inc.) L2021-1255 1/1/19-12/31/19 2/12/2021
STC Traffic, Inc. (F.K.A. Stack Traffic Consulting, Inc.) L2021-1430 1/1/20-12/31/20 6/2/2022
Stephanie Remington L2020-1074 1/1/20-12/31/20 5/4/2020
Steven Grover & Associates L2021-1257 1/1/19-12/31/19 2/25/2021
Stevens Cresto Engineering, Inc. L2022-1585
 1/1/22-12/31/22 8/2/2022
Stiegler Architect, PC dba IS Architecture L2022-1635 1/1/20-12/31/20 8/2/2022
Stillwater Sciences D2018-0284 1/1/17-12/31/17 9/28/2018
Stillwater Sciences D2019-0445 1/1/18-12/31/18 11/21/2019
StorrerEnvironmental Services, LLC
 D2022-0959 1/1/20-12/31/20 4/14/2022
Strategic Energy Innovations L2018-0150 1/1/17-12/31/17 4/24/2018
STV Incorporated L2018-0372 10/1/16-9/30/17 7/10/2018
STV Incorporated L2018-0815 10/1/17-9/30/18 7/10/2019
STV Incorporated L2021-1482 10/1/19-9/30/20
 1/12/2022
Substrate, Inc. (Dynamic Dezyne Associates, Inc. dba Substrate, Inc. D2020-0600 1/1/20-12/31/20 07/16/20
Suenram & Associates, Inc. L2022-1527 1/1/20-12/31/20 4/18/2022
Summit Associates D2019-0422 1/1/18-12/31/18 10/21/2019
Summit CM, Inc., dba Summit Associates D2017-0028 1/1/15-12/31/15 5/30/2017
Summit CM, Inc., dba Summit Associates D2017-0114 1/1/16-12/31/16 9/21/2017
Summit CM, Inc., dba Summit Associates L2018-0608 1/1/17-12/31/17 1/14/2019
Summit CM, Inc. dba Summit Associates L2021-1265 1/1/19-12/31/19 3/12/2021
Surf 2 Snow Environmental Resource Management, Inc. D2019-0455 1/1/18-12/31/18 12/05/19
Surf to Snow Environmental Resource Management, Inc. D2020-0685 1/1/19-12/31/19 11/18/2020
Surf to Snow Environmental Resource Management, Inc. L2021-1366 1/1/20 -12/31/20 9/3/2021
Surf to Snow Environmental Resource Management, Inc. D2023-1059 1/01/21-12/31/21 5/3/2023
Susan Lindstrom L2019-0910 1/1/19-12/31/19 10/22/2019
Sutra Research & Analytics, Inc. L2018-0332 1/1/18-12/31/18 6/20/2018
Swaim Biological, Inc. D2018-0255 1/1/18-12/31/18 7/31/2018
Swaim Biological, Inc. D2018-0386 1/1/19-12/31/19 6/26/2019
Swaim Biological, Inc. D2020-0580 1/1/20-12/31/20 5/7/2020
Swaim Biological, Inc.
 L2021-1340 1/1/21-12/31/21 6/30/2021
Swaim Biological, Inc. D2022-1011 1/1/21-12/31/21
 10/20/2022
SWCA Environmental Consultants L2017-0023 1/1/16-12/31/16 8/18/2017
SWCA Environmental Consultants L2018-0597 1/1/17-12/31/17 11/27/2018
SWCA, Incorporated DBA SWCA Environmental Consultants L2019-0869 1/1/18-12/31/18 9/9/2019
SWCA, Incorporated DBA SWCA Environmental Consultants L2020-1128 1/1/19 - 12/31/19 10/23/2020
SWCA, Incorporated dba SWCA Environmental Consultants, Inc. L2022-1675 1/1/21-12/31/21 10/24/2022
SWPPQueen. Inc. L2021-1264 1/1/21-12/31/21 3/12/2021
Sycamore Environmental Consultants, Inc. L2017-0034 1/1/16-12/31/16 8/10/2017
Sycamore Environmental Consultants, Inc. L2018-0681 1/1/17-12/31/17 4/4/2019
Sycamore Environmental Consultants, Inc. L2019-0953 1/1/18-12/31/18 11/14/2019
SYRUSA Engineering D2020-0531 1/1/19-12/31/19 02/07/20
SYRUSA Engineering D2018-0187 1/1/17-12/31/17 5/3/2018
SYRUSA Engineering, Inc.
 D2021-0718 1/1/19-12/31/19 3/17/2021
SYRUSA Engineering, Inc. D2022-0944 1/1/20-12/31/20 2/11/2022
System Metrics Group, Inc. D2017-0018 1/1/15-12/31/15 5/18/2017
System Metrics Group, Inc. D2017-0149 1/1/16-12/31/16 12/27/2017
System Metrics Group, Inc. D2018-0279 1/1/17-12/31/17 9/24/2018
System Metrics Group, Inc.  D2021-0884 1/1/20-12/31/20 11/18/2021
System Metrics Group, Inc.  D2024-1200 1/01/22-12/31/22
 12/21/2023
Systems Metrics Group
 D2023-1089 1/01/21-12/31/21 4/28/2023
System-Rail L2024-1809 1/01/24-12/31/24 1/3/2023