| $150,000–350,000 | COLLAER ENTERPRISES INC | OAK CREEK, WI | First Business Bank |
| $1–2 million | COMMUNITY BLOOD CENTER, INC. | APPLETON, WI | First Business Bank |
| $2–5 million | COMPLETE MOBILE DENTISTRY INC. | Windsor, WI | First Business Bank |
| $2–5 million | COMPLETE MOBILE DENTISTRY, INC. | WINDSOR, WI | First Business Bank |
| $350,000–1 million | COOL FIRE STUDIOS LLC | SAINT LOUIS, MO | First Business Bank |
| $1–2 million | CORCORAN GLASS AND PAINT INC. | Greenville, WI | First Business Bank |
| $150,000–350,000 | COYNE, SCHULTZ, BECKER & BAUER, S.C. | MADISON, WI | First Business Bank |
| $2–5 million | CREATE-A-PACK FOODS, INC. | IXONIA, WI | First Business Bank |
| $150,000–350,000 | CTI PAPER GROUP INC. | Sun Prairie, WI | First Business Bank |
| $150,000–350,000 | CTI PAPER GROUP, INC | SUN PRAIRIE, WI | First Business Bank |
| $150,000–350,000 | CUDAHY PLACE SENIOR LIVING LLC | Cudahy, WI | First Business Bank |
| $150,000–350,000 | CUDAHY PLACE SENIOR LIVING LLC | CUDAHY, WI | First Business Bank |
| $150,000–350,000 | CURLESS DENTAL LLC | Appleton, WI | First Business Bank |
| $150,000–350,000 | CURLESS DENTAL, LLC | APPLETON, WI | First Business Bank |
| $350,000–1 million | D & G TRANSPORTATION, INC. | GERMANTOWN, WI | First Business Bank |
| $350,000–1 million | DAILY CARE LLC | Appleton, WI | First Business Bank |
| $350,000–1 million | DAILY CARE LLC | MEQUON, WI | First Business Bank |
| $150,000–350,000 | DAIRY CONNECTION, INC. | MADISON, WI | First Business Bank |
| $350,000–1 million | DAVID C REINDL | Germantown, WI | First Business Bank |
| $350,000–1 million | DAVID S. DUCOMMUN D.D.S. S.C. | Madison, WI | First Business Bank |
| $350,000–1 million | DAVID S. DUCOMMUN, D.D.S., S.C. | MADISON, WI | First Business Bank |
| $350,000–1 million | DEL-TOOL CO. INC. | Baraboo, WI | First Business Bank |
| $1–2 million | DENNEN STEEL CORP | GRAND RAPIDS, MI | First Business Bank |
| $150,000–350,000 | DIMENSION IV - MADISON LLC | Madison, WI | First Business Bank |
| $150,000–350,000 | DIMENSION IV - MADISON, LLC | MADISON, WI | First Business Bank |
| $350,000–1 million | DR. VANDELLO FAMILY DENTISTRY, P.C. | WATERLOO, IA | First Business Bank |
| $350,000–1 million | DRIV-LOK INC. | Sycamore, IL | First Business Bank |
| $1–2 million | DRIV-LOK, INC. | SYCAMORE, IL | First Business Bank |
| $2–5 million | E.K. MACHINE CO., INC. | FALL RIVER, WI | First Business Bank |
| $1–2 million | ECONOPRINT INC. | Verona, WI | First Business Bank |
| $1–2 million | ECONOPRINT, INC. | VERONA, WI | First Business Bank |
| $350,000–1 million | EDGEWOOD CAMPUS SCHOOL INC. | Madison, WI | First Business Bank |
| $350,000–1 million | EDGEWOOD CAMPUS SCHOOL INC. | Madison, WI | First Business Bank |
| $350,000–1 million | EDGEWOOD HIGH SCHOOL OF THE SACRED HEART, INC. | MADISON, WI | First Business Bank |
| $350,000–1 million | EDWARD L HANSELL | Elkhart, IN | First Business Bank |
| $150,000–350,000 | EFCO FINISHING CORPORATION | Menomonee Falls, WI | First Business Bank |
| $150,000–350,000 | EFCO FINISHING CORPORATION | MENOMONEE FALLS, WI | First Business Bank |
| $1–2 million | EJM ENGINEERING, INC | CHICAGO, IL | First Business Bank |
| $150,000–350,000 | ELECTRONIC TECHNOLOGIES INTERNATIONAL INC. | Fort Atkinson, WI | First Business Bank |
| $350,000–1 million | ELECTRONIC TECHNOLOGIES INTERNATIONAL, INC. | FORT ATKINSON, WI | First Business Bank |
| $350,000–1 million | ELMSTAR ELECTRIC CORPORATION | Kaukauna, WI | First Business Bank |
| $350,000–1 million | ELUCENT MEDICAL INC. | EDEN PRAIRIE, MN | First Business Bank |
| $150,000–350,000 | EMOPTI, INC. | BROOKFIELD, WI | First Business Bank |
| $350,000–1 million | EMPLOYER HEALTH CARE ALLIANCE COOPERATIVE | FITCHBURG, WI | First Business Bank |
| $150,000–350,000 | ENCORE AT MAHTOMEDI LLC | SAINT PAUL, MN | First Business Bank |
| $150,000–350,000 | ENGINEERED CONSTRUCTION, INC. | VERONA, WI | First Business Bank |
| $1–2 million | ENGINEERING SPECIALISTS, INC. | BROOKFIELD, WI | First Business Bank |
| $350,000–1 million | ENVIRONMENT CONTROL OF WISCONSIN, INC. | MADISON, WI | First Business Bank |
| $150,000–350,000 | EPICENT LLC | Cerritos, CA | First Business Bank |
| $150,000–350,000 | EPICENT LLC | CERRITOS, CA | First Business Bank |
| $150,000–350,000 | ESL VISION LLC | Salt Lake City, UT | First Business Bank |
| $150,000–350,000 | ESL VISION, LLC | SALT LAKE CITY, UT | First Business Bank |
| $150,000–350,000 | EURO-TECH CORPORATION | MENOMONEE FALLS, WI | First Business Bank |
| $150,000–350,000 | EURO-TECH CORPORATION | Menomonee Falls, WI | First Business Bank |
| $150,000–350,000 | EVAN-TALAN HOMES, INC. | OVERLAND PARK, KS | First Business Bank |
| $1–2 million | EVERGREEN HEALTHCARE PARTNERS, INC. | MIDDLETON, WI | First Business Bank |
| $350,000–1 million | EXCEL GLOBAL SOLUTIONS INC. | PEWAUKEE, WI | First Business Bank |
| $350,000–1 million | EXCEL GLOBAL SOLUTIONS INC. | Pewaukee, WI | First Business Bank |
| $150,000–350,000 | EXTENDED LOVE CHILD DEVELOPMENT CENTER INC. | Pleasant Prairie, WI | First Business Bank |
| $150,000–350,000 | EXTENDED LOVE CHILD DEVELOPMENT CENTER, INC. | PLEASANT PRAIRIE, WI | First Business Bank |
| $150,000–350,000 | F & J COMPANY | OLATHE, KS | First Business Bank |
| $150,000–350,000 | F & J COMPANY | Olathe, KS | First Business Bank |
| $1–2 million | FAMILY FRESH PACK, LLC | MONTICELLO, WI | First Business Bank |
| $150,000–350,000 | FAMILY WORKS INC. | Madison, WI | First Business Bank |
| $150,000–350,000 | FAMILY WORKS, INC. | MADISON, WI | First Business Bank |
| $350,000–1 million | FARM TO MARKET BREAD COMPANY | Kansas City, KS | First Business Bank |
| $350,000–1 million | FARM TO MARKET BREAD COMPANY | KANSAS CITY, MO | First Business Bank |
| $2–5 million | FIDUCIARY REAL ESTATE DEVELOPMENT, INC. | MILWAUKEE, WI | First Business Bank |
| $150,000–350,000 | FILAMENT MARKETING, LLC | CHICAGO, IL | First Business Bank |
| $350,000–1 million | FISHER MANAGEMENT COMPANY, INC. | MADISON, WI | First Business Bank |
| $1–2 million | FORWARD ELECTRIC, INC. | MADISON, WI | First Business Bank |
| $350,000–1 million | FORWARD HEALTH GROUP, INC. | MADISON, WI | First Business Bank |
| $2–5 million | FRANKLIN W GREB | Madison, WI | First Business Bank |
| $350,000–1 million | GBR CORPORATION | MC FARLAND, WI | First Business Bank |
| $1–2 million | GENERAL COMMUNICATIONS, INC. | OREGON, WI | First Business Bank |
| $150,000–350,000 | GLOBAL SIGHT $ SOUND INC. | Brown Deer, WI | First Business Bank |
| $150,000–350,000 | GLOBAL SIGHT $ SOUND, INC. | Brown Deer, WI | First Business Bank |
| $150,000–350,000 | GOLDEN MILLENNIUM ENTERPRISES LLC | MEQUON, WI | First Business Bank |
| $2–5 million | GORMAN & COMPANY, LLC | OREGON, WI | First Business Bank |
| $150,000–350,000 | GRAPHIC INTERFACED OFFICE TECHNOLOGIES INC. | Madison, WI | First Business Bank |
| $150,000–350,000 | GRAPHIC INTERFACED OFFICE TECHNOLOGIES, INC. | MADISON, WI | First Business Bank |
| $1–2 million | GREAT LAKES FOODS, LLC | MENOMINEE, MI | First Business Bank |
| $350,000–1 million | GREATER MADISON CONVENTION & VISITORS BUREAU | Madison, WI | First Business Bank |
| $350,000–1 million | GREATER MADISON CONVENTION & VISITORS BUREAU INC. | Madison, WI | First Business Bank |
| $350,000–1 million | GUETZKE AND ASSOCIATES, INC. | WAUKESHA, WI | First Business Bank |
| $150,000–350,000 | HALEN HOMES LLC | PEWAUKEE, WI | First Business Bank |
| $1–2 million | HALLMARK DRWAYLL, INC. | MADISON, WI | First Business Bank |
| $150,000–350,000 | HALLMARK DRYWALL | MADISON, WI | First Business Bank |
| $150,000–350,000 | HARBOR HOMES, INC. | PEWAUKEE, WI | First Business Bank |
| $350,000–1 million | HARBOUR MANAGEMENT, LLC | MADISON, WI | First Business Bank |
| $350,000–1 million | HEALTHY MINDS INNOVATIONS INC. | Madison, WI | First Business Bank |
| $350,000–1 million | HEALTHY MINDS INNOVATIONS, INC. | MADISON, WI | First Business Bank |
| $150,000–350,000 | HEARTLAND COMMUNICATIONS GROUP LLC | Eagle River, WI | First Business Bank |
| $150,000–350,000 | HEARTLAND COMMUNICATIONS GROUP, LLC | EAGLE RIVER, WI | First Business Bank |
| $350,000–1 million | HENNES SERVICES, INC. | MILWAUKEE, WI | First Business Bank |
| $150,000–350,000 | HOLIDAYS PUB, LLC | APPLETON, WI | First Business Bank |
| $1–2 million | HOTTMANN CONSTRUCTION COMPANY, INC. | DANE, WI | First Business Bank |
| $2–5 million | HOUSTON'S INC. | Wilsonville, OR | First Business Bank |
| $2–5 million | HOUSTON'S, INC. | WILSONVILLE, OR | First Business Bank |
| $350,000–1 million | HUGHES FLOORING INC. | Verona, WI | First Business Bank |