General information for Mainline Contracting, Inc.
Physical address
4900 S Hwy 79, Rapid City, Sd, 57703
Mailing address
Po Box 3448, Rapid City, SD, 57709
Website
mainlinecontracting.com
Points of contact for Mainline Contracting, Inc.
SAM.gov Points of Contact
TY
PIVONKA
Government Business POC
PRESIDENT
PO Box 3448, Rapid City, SD, 57709
Barbara
Brown
Alternate Government Business POC
Electronic Business POC
CONTROLLER
PO BOX 3448, RAPID CITY, SD, 57709
ROBIN
EDDINGTON
Alternate Electronic Business POC
CONTROLLER
PO BOX 3448, RAPID CITY, SD, 57709
Additional contact details may be available
NAICS codes for Mainline Contracting, Inc.
| Code | Description | Small Business |
|---|---|---|
| 237110 PRIMARY | Water and Sewer Line and Related Structures Construction | Yes |
| 115112 | Soil Preparation, Planting, and Cultivating | No |
| 237310 | Highway, Street, and Bridge Construction | Yes |
|
238110
|
Poured Concrete Foundation and Structure Contractors
|
Yes
|
|
238210
|
Electrical Contractors and Other Wiring Installation Contractors
|
Yes
|
|
238220
|
Plumbing, Heating, and Air-Conditioning Contractors
|
Yes
|
|
238350
|
Finish Carpentry Contractors
|
Yes
|
|
238910
|
Site Preparation Contractors
|
Yes
|
|
238990
|
All Other Specialty Trade Contractors
|
No
|
Update history
6 change(s) tracked
Feb 19, 2026
NAICS 238990: exception NN → YY
Feb 19, 2026
NAICS 238910: small-business status No → Yes
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