General information for Substructure Inc
Physical address
185 Wentworth Rd, Portsmouth, Nh, 03801
Mailing address
P.o. Box 4094, Portsmouth, NH, 03802
Website
substructure.com
Points of contact for Substructure Inc
SAM.gov Points of Contact
Thomas
Reis
Government Business POC
Electronic Business POC
PO Box 4094, Portsmouth, NH, 03802
ANDY
Kelly
Alternate Government Business POC
Alternate Electronic Business POC
P.O. BOX 4094, PORTSMOUTH, NH, 03802
Additional contact details may be available
NAICS codes for Substructure Inc
| Code | Description | Small Business |
|---|---|---|
|
541370
PRIMARY
|
Surveying and Mapping (except Geophysical) Services
|
Yes
|
| 237990 | Other Heavy and Civil Engineering Construction | No |
| 238990 | All Other Specialty Trade Contractors | No |
| 488390 | Other Support Activities for Water Transportation | Yes |
|
541360
|
Geophysical Surveying and Mapping Services
|
Yes
|
|
561990
|
All Other Support Services
|
Yes
|
PSC codes for Substructure Inc
| Code | Description |
|---|---|
| B518 | SPECIAL STUDIES/ANALYSIS- GEOPHYSICAL |
Update history
2 change(s) tracked
Apr 23, 2026
NAICS 541370 became the primary code
Apr 23, 2026
NAICS 237990 is no longer the primary code
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