NAICS 237990 · Construction

Other Heavy and Civil Engineering Construction

16,105 active contractors list NAICS 237990 (Other Heavy and Civil Engineering Construction) in SAM.gov; 98 are small under its SBA size standard and 2,581 list it as their primary NAICS.

Learn more about NAICS size standards

Search with filters Small businesses only

Active contractors: 16,105
Small under 237990SBA size standard for this code: 98
Primary NAICSTheir main line of business: 2,581
Hidden registrationsExcluded, expired or inactive: 233

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Live RFPs in this NAICS
Open SAM.gov solicitations coded 237990, matched to teaming partners.
Expiring awards
Incumbent contracts in 237990 heading to recompete in the next 18 months.
Small under 237990
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 237990

Claimed profiles come first by membership level, then companies with 237990 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

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

Showing 1,681–1,700 of 16,105 contractors

MCGRANT ENGINEERING
UEIUV85RBMB2UF4CAGE10K13
Location: TEMECULA, CA
Primary NAICSNot listed as small under 237990
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: None on file
MCI MOMENTUM CONSULTING LLC
UEITAK9UHAJT6Y6CAGE9QGV0
Location: SAINT CLOUD, FLSocio-economic status (SAM.gov): SBVOSBSDVOSB
Primary NAICSNot listed as small under 237990
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: None on file
MCLAFFERTY CONTRACTING GROUP, LLC
UEIDVZTHGNSDY96CAGE10RM3
Location: CHISAGO CITY, MN
Primary NAICSNot listed as small under 237990
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: None on file
M C M MARINE, INC.
UEIRL77Y6SCKS97CAGE0LAW1
Location: SAULT SAINTE MARIE, MISocio-economic status (SAM.gov): SBSDB
Primary NAICSNot listed as small under 237990
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: None on file
MC MULLEN & PITZ CONSTRUCTION CO
UEIQSCNMWHN1FC9CAGE017A7
Location: MANITOWOC, WISocio-economic status (SAM.gov): SB
Primary NAICSNot listed as small under 237990
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: None on file
M & C OILFIELD SERVICES LLC
UEIU3CNUMV1FU74CAGE5PGA0
Location: LAKE CHARLES, LA
Primary NAICSNot listed as small under 237990
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: None on file
MCQUEARY & PORTER EXCAVATING, INC.
UEIP486H9YJHBM4CAGE5EPZ2
Location: DEER LODGE, MTSocio-economic status (SAM.gov): SB
Primary NAICSNot listed as small under 237990
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: None on file
MC SQUARED CONSTRUCTION, LLC
UEIRYPSASDAAVN5CAGE17SZ3
Location: TULAROSA, NMSocio-economic status (SAM.gov): SBWOSB
Primary NAICSNot listed as small under 237990
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: None on file
MCSS, INC.
UEILVEBQPBHHQD1CAGE49CF7
Location: HOLMDEL, NJSocio-economic status (SAM.gov): SB
Primary NAICSNot listed as small under 237990
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: None on file
MDB GENERAL ENGINEERING, INC.
UEIXF74Z6N4TDB5CAGE8ZWH0
Location: YORBA LINDA, CASocio-economic status (SAM.gov): SBSDBWOSB
Primary NAICSNot listed as small under 237990
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: None on file
MDC ENGINEERING, PLLC
UEIPKJQDGJ2RHG1CAGE1ATK3
Location: EDINBURG, TX
Primary NAICSNot listed as small under 237990
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: None on file
M & D CONSTRUCTION, INC
UEILHPLQVFWK4F5CAGE05YH9
Location: GREAT FALLS, MT
Primary NAICSNot listed as small under 237990
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: None on file
MDX, LLC
UEIWJDYVHRCE9E8CAGE0QJ05
Location: SHENANDOAH, IA
Primary NAICSNot listed as small under 237990
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: None on file
MEADVILLE LAND SERVICE INC
UEINZ99DSD58C84CAGE3HP40
Location: COCHRANTON, PA
Primary NAICSNot listed as small under 237990
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: None on file
MEARS GROUP INC
UEIPEARJJEE16D3CAGE1WU17
Location: ROSEBUSH, MI
Primary NAICSNot listed as small under 237990
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: None on file
MECHANICAL SOLUTION & CONTRACTOR ENGINEERING SERVICES INC.
UEIQ14XKQM9B8A9CAGE9N8M5
Location: SABANA GRANDE, PRSocio-economic status (SAM.gov): SBSDB
Primary NAICSNot listed as small under 237990
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: None on file
MEDVOLT CONSTRUCTION SERVICES, LLC
UEIYM1YATK57ZE3CAGE16SK4
Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)Tribal
Primary NAICSNot listed as small under 237990
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: None on file
MEECO SULLIVAN, LLC
DBA SULLIVAN FLOTATION SYSTEMS
UEIF2XREGRKJ5F9CAGE7EKQ3
Location: WARWICK, NY
Primary NAICSNot listed as small under 237990
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: None on file
MELGAARD CONSTRUCTION COMPANY, INC.
UEIMV43E8SDN2C5CAGE4VRU1
Location: GILLETTE, WY
Primary NAICSNot listed as small under 237990
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: None on file
MERCO INC
UEIU2UPWQTQNBF3CAGE0VGR5
Location: LEBANON, NJ
Primary NAICSNot listed as small under 237990
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: None on file

Contractors listing NAICS 237990, page 85 of 806
Company	This code	Compliance	SAM.gov	Obligated, 36 mo
MCGRANT ENGINEERING UEIUV85RBMB2UF4CAGE10K13 Location: TEMECULA, CA	Primary NAICSNot listed as small under 237990	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	None on file
MCI MOMENTUM CONSULTING LLC UEITAK9UHAJT6Y6CAGE9QGV0 Location: SAINT CLOUD, FLSocio-economic status (SAM.gov): SBVOSBSDVOSB	Primary NAICSNot listed as small under 237990	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	None on file
MCLAFFERTY CONTRACTING GROUP, LLC UEIDVZTHGNSDY96CAGE10RM3 Location: CHISAGO CITY, MN	Primary NAICSNot listed as small under 237990	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	None on file
M C M MARINE, INC. UEIRL77Y6SCKS97CAGE0LAW1 Location: SAULT SAINTE MARIE, MISocio-economic status (SAM.gov): SBSDB	Primary NAICSNot listed as small under 237990	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	None on file
MC MULLEN & PITZ CONSTRUCTION CO UEIQSCNMWHN1FC9CAGE017A7 Location: MANITOWOC, WISocio-economic status (SAM.gov): SB	Primary NAICSNot listed as small under 237990	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	None on file
M & C OILFIELD SERVICES LLC UEIU3CNUMV1FU74CAGE5PGA0 Location: LAKE CHARLES, LA	Primary NAICSNot listed as small under 237990	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	None on file
MCQUEARY & PORTER EXCAVATING, INC. UEIP486H9YJHBM4CAGE5EPZ2 Location: DEER LODGE, MTSocio-economic status (SAM.gov): SB	Primary NAICSNot listed as small under 237990	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	None on file
MC SQUARED CONSTRUCTION, LLC UEIRYPSASDAAVN5CAGE17SZ3 Location: TULAROSA, NMSocio-economic status (SAM.gov): SBWOSB	Primary NAICSNot listed as small under 237990	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	None on file
MCSS, INC. UEILVEBQPBHHQD1CAGE49CF7 Location: HOLMDEL, NJSocio-economic status (SAM.gov): SB	Primary NAICSNot listed as small under 237990	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	None on file
MDB GENERAL ENGINEERING, INC. UEIXF74Z6N4TDB5CAGE8ZWH0 Location: YORBA LINDA, CASocio-economic status (SAM.gov): SBSDBWOSB	Primary NAICSNot listed as small under 237990	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	None on file
MDC ENGINEERING, PLLC UEIPKJQDGJ2RHG1CAGE1ATK3 Location: EDINBURG, TX	Primary NAICSNot listed as small under 237990	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	None on file
M & D CONSTRUCTION, INC UEILHPLQVFWK4F5CAGE05YH9 Location: GREAT FALLS, MT	Primary NAICSNot listed as small under 237990	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	None on file
MDX, LLC UEIWJDYVHRCE9E8CAGE0QJ05 Location: SHENANDOAH, IA	Primary NAICSNot listed as small under 237990	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	None on file
MEADVILLE LAND SERVICE INC UEINZ99DSD58C84CAGE3HP40 Location: COCHRANTON, PA	Primary NAICSNot listed as small under 237990	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	None on file
MEARS GROUP INC UEIPEARJJEE16D3CAGE1WU17 Location: ROSEBUSH, MI	Primary NAICSNot listed as small under 237990	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	None on file
MECHANICAL SOLUTION & CONTRACTOR ENGINEERING SERVICES INC. UEIQ14XKQM9B8A9CAGE9N8M5 Location: SABANA GRANDE, PRSocio-economic status (SAM.gov): SBSDB	Primary NAICSNot listed as small under 237990	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	None on file
MEDVOLT CONSTRUCTION SERVICES, LLC UEIYM1YATK57ZE3CAGE16SK4 Location: SAN ANTONIO, TXSocio-economic status (SAM.gov): SBSDB8(a)Tribal	Primary NAICSNot listed as small under 237990	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	None on file
MEECO SULLIVAN, LLC DBA SULLIVAN FLOTATION SYSTEMS UEIF2XREGRKJ5F9CAGE7EKQ3 Location: WARWICK, NY	Primary NAICSNot listed as small under 237990	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	None on file
MELGAARD CONSTRUCTION COMPANY, INC. UEIMV43E8SDN2C5CAGE4VRU1 Location: GILLETTE, WY	Primary NAICSNot listed as small under 237990	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	None on file
MERCO INC UEIU2UPWQTQNBF3CAGE0VGR5 Location: LEBANON, NJ	Primary NAICSNot listed as small under 237990	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	None on file

Codes these contractors list most often alongside 237990: natural teaming adjacencies.

Other Heavy and Civil Engineering Construction

Work this industry

Contractors listing NAICS 237990

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