Here is a list of WFO's that the NWS says utilize eSpotter.
Aberdeen, SD (ABR) Albuquerque, NM (ABQ) Amarillo, TX (AMA)
Atlanta, GA (FFC) Austin/San Antonio, TX (EWX) Billings, MT (BYZ)
Binghamton, NY (BGM) Birmingham, AL (BMX) Bismarck, ND (BIS)
Blacksburg, VA (RNK) Boise, ID (BOI) Brownsville, TX (BRO)
Buffalo, NY (BUF) Charleston, WV (RLX) Cheyenne, WY (CYS)
Chicago, IL (LOT) Cleveland, OH (CLE) Corpus Christi, TX (CRP)
CRH HELPDESK, MO (CRH) Dallas/Fort Worth, TX (FWD) Denver/Boulder, CO (BOU)
Des Moines, IA (DMX) Detroit, MI (DTX) Dodge City, KS (DDC)
Duluth, MN (DLH) Elko, NV (LKN) Eureka, CA (EKA)
Flagstaff, AZ (FGZ) Gaylord, MI (APX) Glasgow, MT (GGW)
Goodland, KS (GLD) Grand Forks, ND (FGF) Grand Junction, CO (GJT)
Grand Rapids, MI (GRR) Green Bay, WI (GRB) Hanford, CA (HNX)
Hastings, NE (GID) Houston, TX (HGX) Indianapolis, IN (IND)
Jackson, MS (JAN) Jackson, KY (JKL) Kansas City, MO (EAX)
Key West, FL (EYW) La Crosse, WI (ARX) Lake Charles, LA (LCH)
Las Vegas, NV (VEF) Lincoln, IL (ILX) Los Angeles, CA (LOX)
Louisville, KY (LMK) Lubbock, TX (LUB) Marquette, MI (MQT)
Medford, OR (MFR) Melbourne, FL (MLB) Memphis, TN (MEG)
Miami, FL (MFL) Midland/Odessa, TX (MAF) Milwaukee, WI (MKX)
Minneapolis, MN (MPX) Missoula, MT (MSO) Mobile, AL (MOB)
Morristown, TN (MRX) Nashville, TN (OHX) New Orleans, LA (LIX)
New York City, NY (OKX) Norman, OK (OUN) North Platte, NE (LBF)
Nrn. Indiana, IN (IWX) Omaha, NE (OAX) Paducah, KY (PAH)
Pendleton, OR (PDT) Phoenix, AZ (PSR) Pittsburgh, PA (PBZ)
Pocatello, ID (PIH) Portland, OR (PQR) Pueblo, CO (PUB)
Quad Cities, IA (DVN) Raleigh, NC (RAH) Rapid City, SD (UNR)
Reno, NV (REV) Riverton, WY (RIW) Sacramento, CA (STO)
Salt Lake City, UT (SLC) San Angelo, TX (SJT) San Diego, CA (SGX)
San Francisco, CA (MTR) San Juan, PR (SJU) Seattle, WA (SEW)
Shreveport, LA (SHV) Sioux Falls, SD (FSD) Spokane, WA (OTX)
Springfield, MO (SGF) St. Louis, MO (LSX) State College, PA (CTP)
Tallahassee, FL (TAE) Tampa Bay Area, FL (TBW) Topeka, KS (TOP)
Tucson, AZ (TWC) Tulsa, OK (TSA) Wakefield, VA (AKQ)
Western Region Hqtrs, UT (VHW) Wichita, KS (ICT) Wilmington, OH (ILN)