| Year | Champion | Runner-Up |
| 1988 | Freemont Invaders, Freemont, CA | Eagle Valley Construction, Reno, NV |
| 1989 | Serpa’s Arco, Stockton, CA | Camelot Rowdys, Lancaster, CA |
| 1990 | First Bank Bucks, Santa Margarita, CA | Tulsa Shockers, Tulsa, OK |
| 1991 | Movie Time, Richmond, VA | Spokane A’s, Spokane, WA |
| 1992 | Great Lakes, Cheboygan, MI | Birdtown, Cherokee, NC |
| 1993 | Frank’s/Dr. Dobney’s, Lorain, OH | Remillard’s Bar, Marquette, MI |
| 1994 | D&R Engine/Odessa A’s, Odessa, TX | Nielson Realty Gamblers, Rio Linda, CA |
| 1995 | Cherokee Hose & Supply, Tulsa, OK | ATM, Tucson, AZ |
| 1996 | Lorain UPC, Lorain, OH | Auto Zone, Memphis, TN |
| 1997 | Luna’s Towing, Tucson, AZ | Sunset Life, Agoura Hills, CA |
| 1998 | N/S Machinery/Bay Area, Hayward, CA | Memphis Dawgs, Memphis, TN |
| 1999 | Vanguard, Kearny, NJ | Top Gun, Lexington, KY |
| 2000 | McKie’s Sports, Oswego, NY | Lonesome Oak Rockers, Oakley, VA |
| 2001 | Home Federal, Grand Island, NE | Action Apparel, Reynoldsburg, OH |
| 2002 | Taylor Farms, Salinas, CA | Italian Athletic Club, Stockton, CA |
| 2003 | Storm, Gallup, NM | Rooster’s Bar & Grill, Killeen, TX |
| 2004 | Energy Link, Bakersfield, CA | Roadrunners, Maryville, MO |
| 2005 | Pennsylvania Power, Ephrata, PA | Global Pacific, Grants Pass, OR |
| 2006 | Adco/Tool Shed, Staten Island, NY | Allentown Patriots, Allentown, PA |
| 2007 | Tatis, El Paso, TX | Marysville VFW, Marysville, PA |
| 2008 | Landis Supermarket, Telford, PA | Santa Rosa, Santa Rosa, CA |
Starting in 2009, ASA went to separate East and West class C national championship tournaments, declaring separate champions.
| Year | Area | Champion | Runner-Up |
| 2009 | East | Blue Lake Builders, Adamstown, PA | Montgomery Travelers, Montgomery, AL |
| 2009 | West | Team Exfuze, West Jordan, UT | Tucson Rattlers, Tucson, AZ |
| 2010 | East | Sedutto’s Swashbucklers, Staten Isle, NY | SC Tornado, Spartanburg, SC |
| 2010 | West | Wasatch Properties, South Jordan, UT | Wolfpack, Las Cruces, NM |
| 2011 | East | CPI Classics, Oswego, NY | Firebirds, Memphis, TN |
| 2011 | West | Houston Carnage, Houston, TX | Lacy A’s, Lacy, WA |
| 2012 | East | Willow Street Auto & Tire, Strasburg, PA | Elite Coach Hoffman’s, Reading, PA |
| 2012 | West | East Bay Bashers, San Ramon, CA | Dugout, St. Croix Falls, WI |
| 2013 | East | Central Illinois Knights, Camargo, IL | Eagle AA, Pennsburg, PA |
| 2013 | West | Boise River Dogs, Boise, ID | Roseville Eagles, Lincoln, CA |
| 2014 | East | RM Kurtz, Ephrata, PA | Elite Coach, Ephrata, PA |
| 2014 | West | Not Held | |
| 2015 | East | RM Kurtz, Ephrata, PA | DC Outlaws, Elkhart, IN |
| 2015 | West | Roseville Eagles, Citrus Heights, CA | Boise River Dogs, Boise, ID |
In 2016 the men’s C national championship tournament was discontinued and combined into an east/west format with different flights with A and B.
