EPA Air · by primary industry (NAICS)

Air-emissions sources, NAICS 5174

Facility↑↓	Where↑↓	Classification↑↓	HPV
AT & T MOBILITY-GREENBELT	GREENBELT, Prince George's, MD	Minor source	No
AT&T - LAKEFRONT DRIVE	COCKEYSVILLE, Baltimore, MD	Minor source	No
BELL ATLANTIC - 33 EAST PATRICK ST.	FREDERICK (HISTORICAL), Frederick, MD	Minor source	No
CENTURYLINK - COUNCIL BLUFFS	COUNCIL BLUFFS, Pottawattamie, IA	Synthetic minor source	No
COLUMBIA TRANSMISSION COMMUNICATION	MARYLAND, Undetermined, MD	Minor source	No
COMMUNICATIONS SATELLITE CORPORATION	CLARKSBURG, Montgomery, MD	Minor source	No
FREESTATE INDUSTRIES	MARYLAND, Undetermined, MD	Minor source	No
LEVEL 3 COMMUNICATIONS, LLC	WOLCOTT, White, IN	Minor source	No
LEVEL 3 COMMUNICATIONS, LLC	MCLEAN, Fairfax, VA	Synthetic minor source	No
MAXAR INTELLIGENCE - LONGMONT	LONGMONT, Boulder, CO	Minor source	No
SKYWAY STUDIOS, LLC	NASHVILLE, Davidson, TN	Minor source	No
VERIZON	RANDALLSTOWN, Baltimore, MD	Minor source	No
VERIZON FAIRLAND DATA CENTER	SILVER SPRING, Montgomery, MD	Minor source	No
VERIZON WIRELESS	ALTOONA, Polk, IA	Minor source	No
VERIZON-PIKESVILLE CO	PIKESVILLE, Baltimore, MD	Minor source	No
WASHINGTON INTERNATIONAL TELEPORT	VIRGINIA, Undetermined, VA	Minor source	No
WILDBLUE COMMUNICATION, INC.	ALBUQUERQUE, Bernalillo, NM	Minor source	No

Primary NAICS code as filed in EPA’s ICIS-AIR download -- a facility carrying more than one code is listed under its first.