Company Overview
Company Name
ISG
Address
115 Pine St #300, Green Bay, WI, 54301, United States
Website
isginc.comPhone
(920) 434-2128Approx. Annual Revenue
$40.0M
Employees
200
Established
2019
Google Reviews
5.0 (6 reviews)
Locations
16
About ISG
Business Profile
Read from the ISG website on Nov 9, 2026. Hover an item to see the exact wording it came from.
Ownership (as declared by the business)
About the website
- Website quality (AI-assessed)
- 9/10 · Current copyright 2026; Rich portfolio and careers content
- Footer copyright year
- 2026
ISG is hiring
Open roles listed on their website as of Nov 9, 2026.
- Municipal Engineer
- Senior Substation Relay + Control Engineer
Hiring in: Engineering & IT
View careers page →Recent changes
What changed on the ISG website and Google listing, as detected by Coldlytics on each visit.
Started advertising open roles
Municipal Engineer, Senior Substation Relay + Control Engineer
Estimated revenue band moved from $100M+ to $25M-100M
Estimated headcount moved from 251-1000 to 101-250 employees
Meta (Facebook) ad pixel installed
Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.
Find companies by what just changed →ISG locations
16 Google Business Profile listings.
| Location | Google category | Reviews | Status |
|---|---|---|---|
| 115 Pine St #300, Green Bay, WIprimary | — | 5.0 (6) | Claimed |
| 324 Blackwell St Ste 555, Durham, NC | — | — | Claimed |
| 150 Tower Rd #115, Dakota Dunes, SD | — | — | Claimed |
| 122 E Sioux Ave Ste A, Pierre, SD | — | — | Claimed |
| 510 S Wilmington St, Raleigh, NC | Architect | 4.6 (13) | Claimed |
| 7900 International Dr Ste 550, Bloomington, MN | Architecture firm | 4.4 (10) | Claimed |
| 115 E Hickory St Ste 300, Mankato, MN | — | 4.6 (9) | Claimed |
| 217 E 2nd St Ste 110, Des Moines, IA | — | 4.1 (9) | Claimed |
| 18500 W Corporate Dr Ste 200, Brookfield, WI | Engineering consultant | 5.0 (5) | Claimed |
| 345 N Reid Pl #300, Sioux Falls, SD | — | 5.0 (3) | Claimed |
| 6465 Wayzata Blvd #970, St Louis Park, MN | — | 4.0 (2) | Claimed |
| 335 Cedar St Ste 200, Waterloo, IA | — | 5.0 (2) | Claimed |
| 5808 Sheridan Lake Rd, Rapid City, SD | Architecture firm | 3.5 (2) | Claimed |
| 201 Main St Ste 1020, La Crosse, WI | Architecture firm | 5.0 (1) | Claimed |
| 3100 S Market St #106, Rogers, AR | Architecture firm | 5.0 (1) | Claimed |
| 1725 Lake Ave N, Storm Lake, IA | — | 5.0 (1) | Claimed |
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Frequently Asked Questions about ISG
Advertising Pixels
- Facebook Ad Pixel
- Google Ad Pixel
- LinkedIn Ad Pixel
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