Member companies are ordered by zip code.
| Company Name | Street | Suite | City | ST | Zip | Country | Phone | Fax | Website | |
| Watchman Security Systems Inc | 76 Route 101A | Unit 1 | Amherst | NH | 03031 | (603) 673-8875 | (603) 673-3555 | www.watchmansecurity.com | ||
| MSI Alarms & Electrical Services | 2 Long Pond Rd | Dunbarton | NH | 03046 | (603) 774-5614 | (603) 774-5614 | ||||
| ADT Security Services Inc - Hollis NH | 18 Clinton Dr | Hollis | NH | 03049 | (800) 238-2727 | www.adt.com | ||||
| SSI Home Systems | 1 Industrial Dr | Ste 3 | Hudson | NH | 03051 | (603) 882-0067 | (603) 594-8738 | |||
| Family Future | PO Box 53 | Londonderry | NH | 03053 | (603) 434-7002 | (603) 434-2049 | ||||
| Monadnock Security Systems Inc | PO Box 256 | New Ipswich | NH | 03071 | (603) 878-0600 | (603) 878-0611 | www.monadnocksecurity.com | |||
| Fire Alarm & Safety Techologies Inc | PO Box 849 | Pelham | NH | 03076 | (603) 635-8429 | (603) 635-3282 | ||||
| International Signal | 40 Lowell Rd | Ste 2 | Salem | NH | 03079 | (603) 893-8803 | (603) 894-4455 | |||
| Centra-Larm Monitoring | 994 Candia Rd | Manchester | NH | 03109 | (603) 623-7930 | (603) 668-1117 | www.centra-larm.com | |||
| Stanley Convergent Security Solutions Inc - Manchester NH | 915 Holt Ave | Unit 7 | Manchester | NH | 03109 | (781) 487-0301 | (617) 558-2657 | www.stanleysecuritysolutions.com | ||
| One Source Security & Automation Inc | 19 Harvey Rd | Unit B8 | Bedford | NH | 03110 | (603) 645-5969 | (603) 645-5994 | www.onesourcesecurity.com | ||
| All-Star Security Systems LLC | 29 Savoie St | Bedford | NH | 03110 | (603) 488-2500 | (603) 488-2500 | ||||
| Prospect Mountain Fire & Security Inc | PO Box 333 | Center Barnstead | NH | 03225 | (603) 776-7637 | (603) 776-6391 | www.pmfs.biz | |||
| Mango Security Systems Inc | 43 Monroe St | Franklin | NH | 03235 | (603) 934-4723 | (603) 934-7222 | www.mangosecurity.com | |||
| A Plus Alarms LLC | 29 Foundry Ave Unit D | Meredith | NH | 03253 | (603) 279-3195 | (603) 279-7272 | www.aplusalarmsnh.com | |||
| Northmark Security & Communications | PO Box 1109 | New London | NH | 03257 | (603) 763-4982 | |||||
| Capitol Alarm Systems Inc | 37 Washington St | Penacook | NH | 03303 | (603) 753-4044 | (603) 753-4144 | www.capitolalarms.com | |||
| Amer Electric Inc | PO Box 1090 | Keene | NH | 03431 | (603) 357-8553 | (603) 352-6884 | ||||
| Tasco Security Inc | PO Box 850 | Lebanon | NH | 03766 | (603) 448-2245 | (603) 448-2469 | www.tascosecurity.com | |||
| Central Signal Corporation - New Hampshire | 500 Market St | Unit 2B | Portsmouth | NH | 03801 | (603) 431-3664 | (603) 431-8712 | www.centralsignalcorp.com | ||
| Northeast Security Agency | PO Box 907 | Old Wolfeboro Road | Alton | NH | 03809 | (800) 634-3373 | (603) 524-5022 | |||
| SecuriCom Systems Inc | PO Box 39 | 3 Main St | Atkinson | NH | 03811 | (603) 362-4714 | (603) 362-4071 | |||
| DM Burns Security Inc | 100 Central Ave | Dover | NH | 03820 | (603) 742-3212 | (603) 743-3212 | ||||
| Eastern Alarm & Communications | PO Box 1230 | East Hampstead | NH | 03826 | (603) 382-4433 | (603) 382-5448 | ||||
| Lakeside Security Systems | 287 W Bay Rd | Freedom | NH | 03836 | (603) 539-5600 | (603) 539-2712 | ||||
| Rochester Security Systems LLC | 169 Milton Rd | Rochester | NH | 03868 | (603) 332-5092 | (603) 332-3708 | ||||
| Knight Security Alarm Co | PO Box 703 | Wolfeboro | NH | 03894 | (603) 569-8230 | www.knightsecurityalarm.com |