NAICS 541620 · Professional, Scientific, and Technical Services

Environmental Consulting Services

15,627 active contractors list NAICS 541620 (Environmental Consulting Services) in SAM.gov; 9,869 are small under its SBA size standard and 3,335 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 15,627
Small under 541620SBA size standard for this code: 9,869
Primary NAICSTheir main line of business: 3,335
Hidden registrationsExcluded, expired or inactive: 248

Work this industry

Live RFPs in this NAICS
Open SAM.gov solicitations coded 541620, matched to teaming partners.
Expiring awards
Incumbent contracts in 541620 heading to recompete in the next 18 months.
Small under 541620
Partners SAM.gov lists as small under this code: the size check a set-aside uses.

Size is NAICS-specific: a firm can be small under one code and other than small under another. Learn more about small business set-asides

Contractors listing NAICS 541620

Claimed profiles come first by membership level, then companies with 541620 as their primary NAICS, then federal obligations over the last 36 months. SPRS shows the highest blind bracket met, never the score. Learn more about blind SPRS brackets

248 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them

Showing 6,041–6,060 of 15,627 contractors

HALEY WARD INC
UEIMA54U1NN2W85CAGE0RNZ8
Location: BANGOR, ME
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.9K ($3,850)
SC PALMETTO LOGISTICS LLC
UEIJRH9VYJ21A23CAGE99YX3
Location: BLYTHEWOOD, SCSocio-economic status (SAM.gov): SBWOSB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.8K ($3,768)
MOUNTAIN STATES ENVIRONMENTAL SERVICES INC
UEILNKSFTG42891CAGE3Y4B4
Location: BILLINGS, MTSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.8K ($3,750)
JOHN TURNER CONSULTING INC
UEILV68BC4EJM43CAGE5U5G0
Location: PORTSMOUTH, NH
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM expiringObligated, 36 mo: $3.5K ($3,538)
ON SITE COMPANIES, INC.
UEIHXEGFQF4N8R3CAGE02RY9
Location: SAINT PAUL, MNSocio-economic status (SAM.gov): SBWOSB
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM expiringObligated, 36 mo: $3.5K ($3,480)
WESTERN TECHNOLOGIES INC
DBA CERTERRA WESTERN TECHNOLOGIES
UEICXHCBNFE8N15CAGE6V268
Location: TEMPE, AZ
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.4K ($3,350)
Asset Integrity Field Service Inc.
UEIC95XV5L2C6H7CAGE19Y00
Location: Foresthill, CASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.3K ($3,330)
PLUMMERBUILT INC
UEIP37MNJLC5NK3CAGE55B26
Location: HERALD, CASocio-economic status (SAM.gov): SBWOSB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.3K ($3,324)
DLZ NATIONAL INC
UEIL6PPNGX1LZH3CAGE1RRE1
Location: COLUMBUS, OH
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.3K ($3,264)
NRC ENVIRONMENTAL SERVICES INC.
UEIH2HCQWNNQKT6CAGE32SL1
Location: SAN DIEGO, CA
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3.1K ($3,053)
CATAWBA-D&Z, LLC
UEIFHP2WBJQ9M73CAGE9ELU9
Location: ROCK HILL, SCSocio-economic status (SAM.gov): SBSDB8(a)Tribal
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3K ($3,000)
PLEXUS-SERES JOINT VENTURE, LLC
UEILQ4MXCMC7561CAGE9GM06
Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3K ($3,000)
TRIHYDRO CORPORATION
UEIE49KFGGEBAA9CAGE1RHG9
Location: LARAMIE, WYSocio-economic status (SAM.gov): HUBZone
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3K ($3,000)
NORTHSTAR ENVIRONMENTAL SERVICES LLC
UEIP1QLD2CQBPP5CAGE13HW8
Location: BRIDGETON, NJSocio-economic status (SAM.gov): SBSDB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $3K ($2,972)
ADDON SERVICES, LLC
UEIHYYCMS2HALA7CAGE7MN10
Location: PLANO, TXSocio-economic status (SAM.gov): SBWOSB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $2.9K ($2,891)
PATRICIA L EGGLESTON
UEIC4RGV5JY9YL1CAGE3FRW2
Location: POWELL, WYSocio-economic status (SAM.gov): SBSDBWOSB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $2.7K ($2,740)
AECOM - BAKER GLOBAL SERVICES JV
UEIDRK2RSL1AGL4CAGE80VY1
Location: ARLINGTON, VA
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $2.5K ($2,500)
ALLIANT-SRS JV, LLC
UEILWUUV2H9UKG5CAGE90E64
Location: KNOXVILLE, TNSocio-economic status (SAM.gov): SBVOSBSDVOSB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $2.5K ($2,500)
ATKINS/HALFF JV
UEIDNRZJGVJ2ED9CAGE4UPA7
Location: DALLAS, TX
Secondary NAICSNot listed as small under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $2.5K ($2,500)
BLUE OAK ENVIRONMENTAL GROUP, INC.
UEIP4ZUFLPAKPL4CAGE9Y6X6
Location: SAINT LOUIS, MOSocio-economic status (SAM.gov): SB
Secondary NAICSSmall under 541620
CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).
No compliance data on file
SAM activeObligated, 36 mo: $2.5K ($2,500)

Contractors listing NAICS 541620, page 303 of 782
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
HALEY WARD INC UEIMA54U1NN2W85CAGE0RNZ8 Location: BANGOR, ME	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.9K ($3,850)
SC PALMETTO LOGISTICS LLC UEIJRH9VYJ21A23CAGE99YX3 Location: BLYTHEWOOD, SCSocio-economic status (SAM.gov): SBWOSB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.8K ($3,768)
MOUNTAIN STATES ENVIRONMENTAL SERVICES INC UEILNKSFTG42891CAGE3Y4B4 Location: BILLINGS, MTSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.8K ($3,750)
JOHN TURNER CONSULTING INC UEILV68BC4EJM43CAGE5U5G0 Location: PORTSMOUTH, NH	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM expiring	$3.5K ($3,538)
ON SITE COMPANIES, INC. UEIHXEGFQF4N8R3CAGE02RY9 Location: SAINT PAUL, MNSocio-economic status (SAM.gov): SBWOSB	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM expiring	$3.5K ($3,480)
WESTERN TECHNOLOGIES INC DBA CERTERRA WESTERN TECHNOLOGIES UEICXHCBNFE8N15CAGE6V268 Location: TEMPE, AZ	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.4K ($3,350)
Asset Integrity Field Service Inc. UEIC95XV5L2C6H7CAGE19Y00 Location: Foresthill, CASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.3K ($3,330)
PLUMMERBUILT INC UEIP37MNJLC5NK3CAGE55B26 Location: HERALD, CASocio-economic status (SAM.gov): SBWOSB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.3K ($3,324)
DLZ NATIONAL INC UEIL6PPNGX1LZH3CAGE1RRE1 Location: COLUMBUS, OH	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.3K ($3,264)
NRC ENVIRONMENTAL SERVICES INC. UEIH2HCQWNNQKT6CAGE32SL1 Location: SAN DIEGO, CA	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3.1K ($3,053)
CATAWBA-D&Z, LLC UEIFHP2WBJQ9M73CAGE9ELU9 Location: ROCK HILL, SCSocio-economic status (SAM.gov): SBSDB8(a)Tribal	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3K ($3,000)
PLEXUS-SERES JOINT VENTURE, LLC UEILQ4MXCMC7561CAGE9GM06 Location: ALEXANDRIA, VASocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3K ($3,000)
TRIHYDRO CORPORATION UEIE49KFGGEBAA9CAGE1RHG9 Location: LARAMIE, WYSocio-economic status (SAM.gov): HUBZone	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3K ($3,000)
NORTHSTAR ENVIRONMENTAL SERVICES LLC UEIP1QLD2CQBPP5CAGE13HW8 Location: BRIDGETON, NJSocio-economic status (SAM.gov): SBSDB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$3K ($2,972)
ADDON SERVICES, LLC UEIHYYCMS2HALA7CAGE7MN10 Location: PLANO, TXSocio-economic status (SAM.gov): SBWOSB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$2.9K ($2,891)
PATRICIA L EGGLESTON UEIC4RGV5JY9YL1CAGE3FRW2 Location: POWELL, WYSocio-economic status (SAM.gov): SBSDBWOSB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$2.7K ($2,740)
AECOM - BAKER GLOBAL SERVICES JV UEIDRK2RSL1AGL4CAGE80VY1 Location: ARLINGTON, VA	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$2.5K ($2,500)
ALLIANT-SRS JV, LLC UEILWUUV2H9UKG5CAGE90E64 Location: KNOXVILLE, TNSocio-economic status (SAM.gov): SBVOSBSDVOSB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$2.5K ($2,500)
ATKINS/HALFF JV UEIDNRZJGVJ2ED9CAGE4UPA7 Location: DALLAS, TX	Secondary NAICSNot listed as small under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$2.5K ($2,500)
BLUE OAK ENVIRONMENTAL GROUP, INC. UEIP4ZUFLPAKPL4CAGE9Y6X6 Location: SAINT LOUIS, MOSocio-economic status (SAM.gov): SB	Secondary NAICSSmall under 541620	CMMCNo CMMCSPRSNoneFacility clearance: visible to paid members. Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). No compliance data on file	SAM active	$2.5K ($2,500)

Codes these contractors list most often alongside 541620: natural teaming adjacencies.

Environmental Consulting Services

Work this industry

Contractors listing NAICS 541620

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