ayer mass has a military chemical company ???

from https://www.usar.army.mil/Locate-a-Reserve-Unit/Reserve-Unit-Locations/

Maryland 130 CHEMICAL COMPANY 2 PLATOONABERDEEN PROVING GROUND, ,
ABERDEEN, MD 21005-5001910-598-3516

Maryland 20 CHEMICAL BIO RADIOLOGICAL NUCLEAR EXPLOSIVESABERDEEN
PROVING GROUND, , ABERDEEN, MD 21005-5001910-598-1774

Massachusetts 401 CHEMICAL COMPANY HAZARD RESPONSE (HR) DEVENS RESERVE
FORCES TRAINING AREA, 37 QUEBEC ST, AYER, MA 1434 978-615-6208

Minnesota
704 CHEMICAL COMPANY CBRN (HAZARD RESPONSE)ARDEN HILLS USAR COMPLEX,
4655 N LEXINGTON AVE, ARDEN HILLS, MN 55126-5862719-366-2425

Missour
i3 BRIGADE, 102 TRAINING DIVISION (CHEMICAL)BUILDING 11405, 8312 FLW
36, FORT LEONARD WOOD, MO 65473-8929573-596-6201

Missour
i375 CHEMICAL COMPANYWELDON SPRING USAR COMPLEX, 7301 S 94 HWY, SAINT
CHARLES, MO 63304-2202636-362-5305