| Business | Phone |
| Amalgamated Transit Union 2261 S Redwood Rd G, Salt Lake City 84119 | (801) 972-8560 |
| American Federation-Employees 868 Mcclelland St, Salt Lake City 84102 | (801) 532-1009 |
| American Postal Workers Union 3555 W 3100 S, Salt Lake City 84119 | (801) 966-5803 |
| Intl Brotherhood-Boilermakers 4707 S 300 W, Salt Lake City 84107 | (801) 281-9988 |
| Bricklayers & Tile Setters 1 2261 S Redwood Rd, Salt Lake City 84119 | (801) 972-5087 |
| Communications Workers-America 1743 W North Temple, Salt Lake City 84116 | (801) 364-9361 |
| Iaff Local 1696 3453 Beaver St, Salt Lake City 84119 | (801) 966-6930 |
| Iatse 526 W 800 S, Salt Lake City 84101 | (801) 359-0513 |
| Iatse Local 99 774 S 500 W, Salt Lake City 84101 | (801) 596-7163 |
| Ibew 1743 W North Temple, Salt Lake City 84116 | (801) 532-1580 |
| Ibew 3400 W 2100 S, Salt Lake City 84119 | (801) 972-9354 |
| International Union-Elevator 139 S 1400 W, Salt Lake City 84104 | (801) 467-1051 |
| Iron Workers 2261 S Redwood Rd F, Salt Lake City 84119 | (801) 972-8997 |
| Mailhandlers 1760 W 2100 S, Salt Lake City 84199 | (801) 974-5185 |
| Pace Lu Local 364 W 900 N, Salt Lake City 84103 | (801) 521-4229 |
| Operating Engineers Union 1958 W North Temple, Salt Lake City 84116 | (801) 596-2677 |
| Plasterers & Cement Masons 2261 S Redwood Rd C, Salt Lake City 84119 | (801) 972-5556 |
| Public Employees Assn 1000 W 5370 S, Salt Lake City 84123 | (801) 264-8732 |
| Roofers 2261 S Redwood Rd N, Salt Lake City 84119 | (801) 972-6830 |
| United Food & Commercial Wrkrs 3337 S Main St, Salt Lake City 84115 | (801) 467-5469 |
| United Transportation Union 825 N 300 W, Salt Lake City 84103 | (801) 322-0182 |
| Utah Building & Constr Trades 2261 S Redwood Rd P, Salt Lake City 84119 | (801) 973-2039 |
| Utah Jobs With Justice 455 E 400 S 407, Salt Lake City 84111 | (801) 606-2074 |
| Utah Pipe Traders Union 2261 S Redwood Rd 26, Salt Lake City 84119 | (801) 972-0089 |