| 2026-02-28 | Cheyenne State Bank | HILLTOP NATIONAL BANK |
| 2025-08-01 | Wyoming Bank & Trust | FIRST NATIONAL BANK |
| 2024-10-01 | WYO CENTRAL FEDERAL CREDIT UNION | STAGEPOINT FEDERAL CREDIT UNION |
| 2023-04-22 | Lusk State Bank | BANNER CAPITAL BANK |
| 2023-04-01 | RELIANT FEDERAL CREDIT UNION | UNIWYO FEDERAL CREDIT UNION |
| 2023-03-25 | First State Bank of Newcastle | FIRST NORTHERN BANK OF WYOMING |
| 2022-12-31 | SWEETWATER FEDERAL CREDIT UNION | WYHY FEDERAL CREDIT UNION |
| 2022-10-01 | BANCSHARES OF JACKSON HOLE, INCORPORATED | NATIONAL BANK HOLDINGS CORPORATION |
| 2022-07-01 | WYOCHEM FEDERAL CREDIT UNION | WYHY FEDERAL CREDIT UNION |
| 2022-05-19 | BANKERS CAPITAL CORPORATION | BANNER COUNTY BAN CORPORATION |
| 2022-02-14 | Western States Bank | FIRST NATIONAL BANK OF OMAHA |
| 2022-01-01 | TETON FINANCIAL SERVICES, INC. | FIRST WESTERN FINANCIAL, INC. |
| 2022-01-01 | Rocky Mountain Bank | FIRST WESTERN TRUST BANK |
| 2021-10-01 | GREEN RIVER BASIN FEDERAL CREDIT UNION | WYHY FEDERAL CREDIT UNION |
| 2021-01-01 | GREATER WYOMING FEDERAL CREDIT UNION | NUVISION FEDERAL CREDIT UNION |
| 2020-02-01 | YELLOWSTONE FEDERAL CREDIT UNION | MERIDIAN TRUST FEDERAL CREDIT UNION |
| 2020-01-01 | COMMUNITY FIRST DATA SERVICES, INC. | ANB BANK |
| 2019-06-10 | Security First Bank | First State Bank |
| 2019-01-01 | SHYANN FEDERAL CREDIT UNION | NUVISION FEDERAL CREDIT UNION |
| 2018-12-01 | FAMILIES FIRST FEDERAL CREDIT UNION | PATHFINDER FEDERAL CREDIT UNION |
| 2018-03-01 | FIRST CHEYENNE FEDERAL CREDIT UNION | NUVISION FEDERAL CREDIT UNION |
| 2018-02-01 | Oregon Trail Bank | BANNER CAPITAL BANK |
| 2017-12-31 | UNIFIED PEOPLE'S FEDERAL CREDIT UNION | NUVISION FEDERAL CREDIT UNION |
| 2014-10-01 | Capital West Bank | ANB BANK |
| 2014-10-01 | FIRST CAPITAL WEST BANKSHARES, INC. | STURM FINANCIAL GROUP, INC. |
| 2014-01-01 | Tri-County Bank | PLATTE VALLEY BANK |
| 2013-06-01 | WHEATLAND BANKSHARES, INC. | GLACIER BANCORP, INC. |
| 2013-06-01 | First State Bank | GLACIER BANK |
| 2012-05-01 | 1ST BANK | GLACIER BANK |
| 2012-05-01 | First Bank of Wyoming | GLACIER BANK |
| 2011-05-01 | ELK BASIN FEDERAL CREDIT UNION | PATHFINDER FEDERAL CREDIT UNION |
| 2011-01-01 | CODY SCHOOLS FEDERAL CREDIT UNION | VALLEY FINANCIAL CREDIT UNION |
| 2009-10-02 | FIRST COMPANY | GLACIER BANCORP, INC. |
| 2009-09-26 | Commerce Bank of Wyoming, N.A. | NEBRASKALAND BANK |
| 2009-01-31 | RIVERTON EDUCATORS FEDERAL CREDIT UNION | GRAND ALTITUDE FEDERAL CREDIT UNION |
| 2008-10-18 | Sheridan State Bank | WELLS FARGO BANK, NATIONAL ASSOCIATION |
| 2008-10-18 | The Jackson State Bank | WELLS FARGO BANK, NATIONAL ASSOCIATION |
| 2008-10-18 | First State Bank of Pinedale | WELLS FARGO BANK, NATIONAL ASSOCIATION |
| 2008-10-18 | Shoshone First Bank | WELLS FARGO BANK, NATIONAL ASSOCIATION |
| 2007-10-27 | Western Bank of Cheyenne | Western States Bank |
| 2007-05-01 | North Side State Bank of Rock Springs | 1ST BANK |
| 2007-01-01 | N P R D FEDERAL CREDIT UNION | PATHFINDER FEDERAL CREDIT UNION |
| 2006-12-01 | FIRST NATIONAL BANK HOLDING COMPANY, INC. | UNITED BANCORPORATION OF WYOMING, INC. |
| 2006-10-01 | FIRSTIER BANCORP I | FIRSTIER BANCORP |
| 2006-10-01 | FirsTier Bank, Wyoming | FIRSTIER BANK |
| 2006-04-30 | BARLOW AGENCY, INC. | BW INSURANCE AGENCY, INC. |
| 2005-09-10 | First National Bank, Torrington | Points West Community Bank |
| 2005-03-01 | FIRST NATIONAL BANKS-WEST CO. | GLACIER BANCORP, INC. |
| 2004-09-01 | WYOMING'S FIRST FEDERAL CREDIT UNION | RELIANT FEDERAL CREDIT UNION |
| 2004-02-14 | The American National Bank | ANB BANK |
| 2003-11-21 | Wells Fargo Bank Wyoming, National Association | WELLS FARGO BANK, NATIONAL ASSOCIATION |
| 2003-05-24 | Stockgrowers State Bank, National Association | The American National Bank |
| 2003-05-24 | Wyoming Bank and Trust Company, National Association | The American National Bank |
| 2003-05-24 | The Bank of Laramie, National Association | The American National Bank |
| 2002-08-01 | TONGUE RIVER VALLEY BANCSHARES | COWBOY STATE BANCORP, INC. |
| 2002-04-01 | BIG HORN FEDERAL CREDIT UNION | SUNLIGHT FEDERAL CREDIT UNION |
| 2002-02-01 | MANSFACE FEDERAL CREDIT UNION | GREEN RIVER BASIN FEDERAL CREDIT UNION |
| 2002-01-01 | SAINT JOSEPHS TRI-PARISH FEDERAL CREDIT UNION | FIRST EDUCATION FEDERAL CREDIT UNION |
| 2001-11-10 | First Interstate Bank | FIRST INTERSTATE BANK |
| 2001-04-17 | FIRST SECURITY INVESTOR SERVICES OF WYOMING, INC. | FIRST SECURITY CORPORATION |
| 2001-01-12 | CHETEK PORTFOLIO, INC | STERLING PORTFOLIO, INC. |
| 2000-10-21 | Pinnacle Bank | PINNACLE BANK - WYOMING |
| 2000-10-21 | Pinnacle Bank | PINNACLE BANK - WYOMING |
| 2000-09-16 | The Equality State Bank | First Interstate Bank |
| 2000-09-15 | EQUALITY BANKSHARES, INC. | FIRST INTERSTATE BANCSYSTEM, INC. |
| 2000-08-29 | Community First National Bank | Community First National Bank |
| 2000-04-26 | WYOMING TRUST AND MANAGEMENT COMPANY | U.S. Bank National Association |
| 1999-05-15 | Riverton State Bank | Wells Fargo Bank Wyoming, National Association |
| 1999-05-15 | Dubois National Bank | Wells Fargo Bank Wyoming, National Association |
| 1999-04-03 | Frontier Bank of Laramie County | PINNACLE BANK - WYOMING |
| 1999-04-01 | SALT CREEK FEDERAL CREDIT UNION | WYO CENTRAL FEDERAL CREDIT UNION |
| 1999-03-22 | First National Bank-Kemmerer | 1ST BANK |
| 1998-08-01 | KEYTRUST COMPANY NATIONAL ASSOCIATION | KEYBANK NATIONAL ASSOCIATION |
| 1998-06-20 | First National Bank | Pinnacle Bank |
| 1997-12-22 | WYOMING NATIONAL BANCORPORATION | BLACKHAWK BANCORPORATION |
| 1997-11-24 | First Security Bank of Wyoming | WELLS FARGO TRUST COMPANY, NATIONAL ASSOCIATION |
| 1997-06-07 | First Interstate Bank of Wyoming, National Association | First Interstate Bank |
| 1995-09-27 | V & V HOLDING COMPANY | CENTRAL TRUST COMPANY |
| 1995-08-01 | Lingle State Bank | First National Bank, Torrington |
| 1995-08-01 | LINGLE VALLEY BANC-SHARES, INC. | FIRST NEBRASKA BANCS, INC. |
| 1994-11-11 | National Bank of Glenrock | HILLTOP NATIONAL BANK |
| 1994-10-12 | DRAKE-LYMAN BANCSHARES, INC. | UNITED BANCORPORATION OF WYOMING, INC. |
| 1994-08-23 | Star Valley State Bank | First Security Bank of Wyoming |
| 1994-05-31 | BUFFALO BANK CORPORATION | STURM BANKS OF WYOMING, INC. |
| 1994-03-26 | Rocky Mountain Bank, F.S.B. | First Bank, Federal Savings Bank |
| 1994-01-07 | LENHARD LAND AND LIVESTOCK COMPANY, INC. | Community First National Bank |
| 1994-01-07 | HIGH PLAINS AGRI-CREDIT CORPORATION | Community First National Bank |
| 1993-12-31 | FINANCIAL PARTNERS, INC. | STURM BANKS OF WYOMING, INC. |
| 1993-10-29 | State Bank of Green River | First Security Bank of Wyoming |
| 1993-09-18 | Lovell National Bank | First Bank of Wyoming |
| 1993-08-21 | Mountain Plaza National Bank | HILLTOP NATIONAL BANK |
| 1993-07-10 | First National Bank at Thermopolis | First National Bank |
| 1993-07-02 | NORTH PLATTE CORPORATION | PINNACLE BANCORP, INC. |
| 1993-07-02 | PINNACLE BANCORP, INC. | PINNACLE BANCORP, INC. |
| 1993-04-16 | Norwest Bank Wyoming Wheatland, National Association | Wells Fargo Bank Wyoming, National Association |
| 1993-04-16 | Norwest Bank Wyoming Cheyenne, National Association | Wells Fargo Bank Wyoming, National Association |
| 1993-04-16 | Norwest Bank Wyoming Gillette, National Association | Wells Fargo Bank Wyoming, National Association |
| 1993-02-24 | The State Bank West | The Jackson State Bank |
| 1992-10-31 | TORRINGTON NATIONAL COMPANY | FIRST NEBRASKA BANCS, INC. |
| 1991-12-01 | Pioneer Bank of Evanston | The Equality State Bank |