Security and alarm companies by city
757 cities, largest first.
Los Angeles, CA299Chicago, IL162Sacramento, CA146San Diego, CA123San Jose, CA104San Francisco, CA89Fresno, CA86Livermore, CA85Riverside, CA77Irvine, CA63Anaheim, CA63Corona, CA62Bakersfield, CA55Chatsworth, CA52Oakland, CA51Long Beach, CA48Woodland Hills, CA47Van Nuys, CA41Pasadena, CA39Simi Valley, CA39Canoga Park, CA39Torrance, CA38Stockton, CA38El Cajon, CA37Beverly Hills, CA36Palm Desert, CA36Glendale, CA34Rancho Cucamonga, CA34Springfield, IL33Ontario, CA32Santa Ana, CA31Reseda, CA31Huntington Beach, CA30San Bernardino, CA29Orange, CA29Costa Mesa, CA28Roseville, CA27Burbank, CA27Moreno Valley, CA27Santa Rosa, CA26Concord, CA26Elk Grove, CA26Modesto, CA26Whittier, CA24Inglewood, CA24Clovis, CA23Gardena, CA23Northridge, CA22Murrieta, CA22Fremont, CA22Lancaster, CA22Santa Clarita, CA22Hayward, CA21Downey, CA21Fontana, CA20Granada Hills, CA20Culver City, CA20Garden Grove, CA19San Leandro, CA19Salinas, CA19Tustin, CA19Oceanside, CA19North Hollywood, CA19Visalia, CA19Ventura, CA18Mission Viejo, CA18Thousand Oaks, CA18Upland, CA18Sherman Oaks, CA18Valencia, CA18Tracy, CA18Covina, CA18Rancho Cordova, CA17Canyon Country, CA17Newport Beach, CA17Turlock, CA17Walnut Creek, CA15Escondido, CA15Calabasas, CA15Pleasanton, CA15Winnetka, CA15Hawthorne, CA15Chino, CA14Temecula, CA14Fairfield, CA14Manteca, CA14Antioch, CA14Palmdale, CA14Carlsbad, CA14Carson, CA14Victorville, CA13Richmond, CA13Indio, CA13West Hills, CA13Encino, CA13Redding, CA13Pomona, CA13Newhall, CA13Rocklin, CA13Yorba Linda, CA12Westlake Village, CA12Downers Grove, IL12Naperville, IL12Oxnard, CA12Placentia, CA12Tarzana, CA12Madera, CA12Sunnyvale, CA12Santa Barbara, CA12Redondo Beach, CA12Santa Monica, CA12San Ramon, CA12Camarillo, CA11Arlington Heights, IL11El Segundo, CA11San Pedro, CA11Fullerton, CA11Alhambra, CA11Redlands, CA11Vacaville, CA11Chula Vista, CA11Monterey Park, CA10Bellflower, CA10Danville, CA10West Covina, CA10Aurora, IL10Mokena, IL10San Clemente, CA10Paramount, CA10Santa Clara, CA10Vallejo, CA10Buena Park, CA10Wildomar, CA10Merced, CA10Schaumburg, IL10Citrus Heights, CA10Beaumont, CA10San Rafael, CA9Hacienda Heights, CA9Napa, CA9Santa Cruz, CA9Folsom, CA9Arcadia, CA9Chico, CA9El Monte, CA9Hesperia, CA9Hemet, CA9Rockford, IL9Brentwood, CA9Diamond Bar, CA9Monrovia, CA9Glendora, CA9South Pasadena, CA9La Habra, CA9Orland Park, IL9San Dimas, CA9Commerce, CA9Dublin, CA9Burlingame, CA9North Hills, CA9Newbury Park, CA8Lomita, CA8Sylmar, CA8Des Plaines, IL8Peoria, IL8Redwood City, CA8Campbell, CA8Brea, CA8Montebello, CA8Santee, CA8La Mesa, CA8Menifee, CA8Newark, CA8Cerritos, CA8La Puente, CA8Frankfort, IL8El Centro, CA8San Gabriel, CA7Westminster, CA7Elgin, IL7South San Francisco, CA7Hoffman Estates, IL7Colton, CA7Petaluma, CA7Laguna Niguel, CA7Huntington Park, CA7Agoura Hills, CA7East Peoria, IL7Union City, CA7Palm Springs, CA7Elmhurst, IL7Moorpark, CA7San Luis Obispo, CA7San Pablo, CA7Spring Valley, CA7Yucaipa, CA7Windsor, CA7Lodi, CA7Yuba City, CA7Oak Brook, IL7Poway, CA6Lake Elsinore, CA6New Lenox, IL6Northbrook, IL6Alsip, IL6Carmichael, CA6Lynwood, CA6Atwater, CA6Watsonville, CA6Santa Maria, CA6Eureka, CA6Castro Valley, CA6Rolling Meadows, IL6Apple Valley, CA6Monterey, CA6Tinley Park, IL6Stanton, CA6Fountain Valley, CA6Lakewood, CA6West Sacramento, CA6California City, CA6North Highlands, CA6Cathedral City, CA6Lake Forest, CA6Norwalk, CA6San Marcos, CA6Baldwin Park, CA6Alameda, CA6Elk Grove Village, IL6Berkeley, CA5San Mateo, CA5Cypress, CA5Pacoima, CA5Alta Loma, CA5Oroville, CA5Oak Lawn, IL5Calumet City, IL5Bensenville, IL5Los Gatos, CA5Norco, CA5Oakley, CA5Lockport, IL5Fair Oaks, CA5Signal Hill, CA5San Fernando, CA5Banning, CA5Calexico, CA5Valley Center, CA5Lawndale, CA5Gilroy, CA5Lombard, IL5Walnut, CA5Pico Rivera, CA5Novato, CA5La Quinta, CA5El Dorado Hills, CA5Bloomington, IL5Chino Hills, CA5Nipomo, CA5Joliet, IL5Hawaiian Gardens, CA5Lathrop, CA5Manhattan Beach, CA5Montclair, CA5Park Ridge, IL5La Mirada, CA5West Hollywood, CA5Los Banos, CA5Rialto, CA5Menlo Park, CA5Truckee, CA4Anderson, CA4Panorama City, CA4Homer Glen, IL4Kankakee, IL4Sun Valley, CA4Lisle, IL4Discovery Bay, CA4Laguna Hills, CA4Champaign, IL4San Marino, CA4Crestwood, IL4Aliso Viejo, CA4Crystal Lake, IL4Temple City, CA4Woodland, CA4Studio City, CA4Lompoc, CA4Emeryville, CA4Rancho Santa Fe, CA4Antelope, CA4Claremont, CA4Rowland Heights, CA4Plainfield, IL4City of Industry, CA4Los Alamitos, CA4Compton, CA4Rosemont, IL4Benicia, CA4Matteson, IL4South Holland, IL4Eastvale, CA4Bartonville, IL4Adelanto, CA4Farmersville, CA3Encinitas, CA3Loves Park, IL3Forest Park, IL3Westmont, IL3Hillside, IL3Grass Valley, CA3Paso Robles, CA3Big Bear City, CA3McHenry, IL3La Verne, CA3Ukiah, CA3Hollister, CA3Canyon Lake, CA3Mountain View, CA3Addison, IL3Marina Del Rey, CA3El Cerrito, CA3Goleta, CA3Mission Hills, CA3Vista, CA3Solana Beach, CA3Belleville, IL3La Crescenta, CA3Mira Loma, CA3El Sobrante, CA3Clayton, CA3Harbor City, CA3Daly City, CA3Exeter, CA3Galt, CA3San Carlos, CA3Seal Beach, CA3Olivehurst, CA3Delano, CA3Cameron Park, CA3Wood Dale, IL3Martinez, CA3Elburn, IL3Streamwood, IL3Duarte, CA3San Ysidro, CA3Mount Prospect, IL3Chicago Heights, IL3South El Monte, CA3Westchester, IL3Auburn, CA3Buffalo Grove, IL3Bell, CA3Yucca Valley, CA3Vernon Hills, IL3Pleasant Hill, CA3Foothill Ranch, CA3Porterville, CA3Hanford, CA3Sunland, CA3Warrenville, IL3Santa Fe Springs, CA3Valley Springs, CA3Lake Arrowhead, CA3Toluca Lake, CA3Porter Ranch, CA3Ladera Ranch, CA3South Gate, CA3San Bruno, CA3Carol Stream, IL3Malibu, CA3Gurnee, IL3Harvey, IL3Sun City, CA3Mill Valley, CA2Sonoma, CA2Pismo Beach, CA2Mattoon, IL2Highland Park, IL2Niles, IL2Bartlett, IL2Beecher, IL2Phelan, CA2Lake Zurich, IL2Swansea, IL2Corona Del Mar, CA2Hampshire, IL2Blue Island, IL2Salida, CA2Ceres, CA2Willowbrook, IL2Blue Jay, CA2Moraga, CA2Wrightwood, CA2Nevada City, CA2Orangevale, CA2Glenview, IL2Belmont, CA2Trabuco Canyon, CA2Bradley, IL2San Lorenzo, CA2Magalia, CA2Woodbridge, CA2Waukegan, IL2Chowchilla, CA2Stevenson Ranch, CA2Nashville, IL2Millbrae, CA2Perris, CA2Glen Carbon, IL2Batavia, IL2Scotts Valley, CA2Arnold, CA2Tujunga, CA2Kerman, CA2Pekin, IL2Skokie, IL2Hilmar, CA2Bolingbrook, IL2Alpine, CA2La Jolla, CA2Wilmington, CA2Marysville, CA2Burr Ridge, IL2Guadalupe, CA2Seaside, CA2Franklin Park, IL2Lincolnwood, IL2River Grove, IL2Sonora, CA2Island Lake, IL2Templeton, CA2Del Mar, CA2Playa Del Rey, CA2Tulare, CA2Palo Alto, CA2Soquel, CA2Wheaton, IL2Countryside, IL2Deerfield, IL2Fallbrook, CA2Quincy, IL2Bellwood, IL2Lemoore, CA2Coachella, CA2Ridgecrest, CA2Bloomington, CA2South Barrington, IL2Milpitas, CA2French Camp, CA2Morgan Hill, CA2Oakdale, CA2Effingham, IL2Loomis, CA2Los Altos, CA2Cambria, CA2Rancho Santa Margarita, CA2Marion, IL2Lockeford, CA2Palos Heights, IL2Trenton, IL2Saint Charles, IL2Lincolnshire, IL2Livingston, CA2Park Forest, IL2Oak View, CA2Lake Villa, IL2National City, CA2Lincoln, CA2Ripon, CA2Patterson, CA2Colona, IL2Jurupa Valley, CA2American Canyon, CA2Fairfield, IL2Riverbank, CA2Tehachapi, CA2Santa Rosa Valley, CA2Teutopolis, IL2Suisun City, CA2Winton, CA1Dana Point, CA1Aptos, CA1Fairfax, CA1El Toro, CA1Goreville, IL1Glen Ellyn, IL1Midlothian, IL1Bloomingdale, IL1Oswego, IL1Palatine, IL1Richmond, IL1Alamo, CA1Robinson, IL1Chicago Park, CA1Aguanga, CA1Romeoville, IL1Northlake, IL1Shingle Springs, CA1Salem, IL1Bell Canyon, CA1Tahoe City, CA1Freeport, IL1Hazel Crest, IL1Saugus, CA1Quail Valley, CA1Round Lake Heights, IL1Clearlake Park, CA1Taylorville, IL1Shorewood, IL1Forest Knolls, CA1Somis, CA1Santa Paula, CA1Rolling Hills Estates, CA1Cotati, CA1Angels Camp, CA1Altaville, CA1Pontiac, IL1Cool, CA1Castaic, CA1Big Bear Lake, CA1South Elgin, IL1Clearlake, CA1Bermuda Dunes, CA1Los Osos, CA1Earlville, IL1La Grange, CA1Ione, CA1Capitola, CA1Lake Bluff, IL1Saratoga, CA1Brisbane, CA1Rancho Mission Viejo, CA1Pioneer, CA1Bonita, CA1Colfax, CA1Royal Oaks, CA1Marengo, IL1Palos Park, IL1Rancho Santa Margari, CA1Portola Valley, CA1Applegate, CA1Rohnert Park, CA1Pollock Pines, CA1Waterloo, IL1Gilberts, IL1Jamul, CA1Frazier Park, CA1Crestline, CA1Portola, CA1Etiwanda, CA1Placerville, CA1Brawley, CA1Valley Village, CA1Roselle, IL1Summerland, CA1Bishop, CA1Hollywood, CA1Anaheim Hills, CA1Coalinga, CA1Cedar Ridge, CA1Decatur, IL1Chicago Ridge, IL1Shafter, CA1Atwood, CA1Newark, IL1West Chicago, IL1Rolling Hills Estate, CA1Port Barrington, IL1Momence, IL1Dolton, IL1Healdsburg, CA1La Grange, IL1Susanville, CA1Country Club Hills, IL1Foresthill, CA1Acampo, CA1Fairmont City, IL1Cudahy, CA1Melrose Park, IL1Dundee, IL1Winterhaven, CA1Lyons, IL1Morro Bay, CA1Hidden Valley Lake, CA1Kelseyville, CA1Lasalle, IL1So Lake Tahoe, CA1Walnut Grove, CA1Dixon, CA1Ojai, CA1Point Reyes Station, CA1Catheys Valley, CA1Fairview Heights, IL1La Grange Park, IL1Oakbrook Terrace, IL1Spreckels, CA1San Andreas, CA1Fairview, CA1Edwardsville, IL1San Quentin, CA1Quartz Hill, CA1Sutter Creek, CA1Thousand Palms, CA1Woodridge, IL1Lemont, IL1Algonquin, IL1Rancho Palos Verdes, CA1Oak Hills, CA1Sheridan, IL1Minooka, IL1Hume, CA1Lakeport, CA1Stevinson, CA1Libertyville, IL1Shasta, CA1Boron, CA1Cary, IL1Loma Linda, CA1Coronado, CA1Pescadero, CA1Kingston, IL1San Martin, CA1Needles, CA1Lebanon, IL1Fort Irwin, CA1Villa Park, IL1Skyforest, CA1Rossmoor, CA1Orcutt, CA1Crest Hill, IL1San Juan Capistrano, CA1Balboa Island, CA1Irwindale, CA1El Paso, IL1Ofallon, IL1Boulder Creek, CA1Rancho Mirage, CA1North Edwards, CA1Normal, IL1Pinole, CA1River Forest, IL1Newman, CA1Linden, CA1Riverside, IL1Clarendon Hills, IL1Cupertino, CA1Rosamond, CA1San Jacinto, CA1Freedom, CA1Troy, IL1Hickory Hills, IL1Oak Forest, IL1Standard, CA1North Aurora, IL1Newcastle, CA1Sauk Village, IL1Manteno, IL1Vandalia, IL1Carbondale, IL1Desert Hot Springs, CA1Guerneville, CA1Sebastopol, CA1Pittsburg, CA1Port Hueneme, CA1Wauconda, IL1Palo Cedro, CA1Gold River, CA1Granite Bay, CA1Brimfield, IL1Lake Forest, IL1Atascadero, CA1Imperial, CA1Spring Grove, IL1Galena, IL1Pine Mountain Club, CA1Orinda, CA1PT Richmond, CA1Del Rey Oaks, CA1Midway City, CA1Artesia, CA1Maywood, CA1Lynwood, IL1Venice, CA1Ramona, CA1Orange Cove, CA1Montgomery, IL1Taft, CA1Bay Point, CA1Maricopa, CA1Wofford Heights, CA1Markham, IL1Wheeling, IL1Arleta, CA1Gridley, CA1Huntley, IL1Running Springs, CA1Helendale, CA1Alturas, CA1King City, CA1Berwyn, IL1Rosemead, CA1Yorkville, IL1Smith River, CA1Colusa, CA1Bassett, CA1Gustine, CA1Capistrano Beach, CA1Willits, CA1Winnetka, IL1Springville, CA1Penngrove, CA1Richgrove, CA1Fairview, IL1Bella Vista, CA1La Habra Heights, CA1Newport Coast, CA1Big Rock, IL1Albany, CA1Half Moon Bay, CA1Imperial Beach, CA1Solvang, CA1Lemon Grove, CA1Alton, IL1Hercules, CA1Reedley, CA1Mecca, CA1Julian, CA1Caruthers, CA1Anna, IL1Groveland, IL1Winchester, CA1Salton City, CA1Forestville, CA1La Palma, CA1Davis, CA1Sanger, CA1Moline, IL1Morton, IL1Pacifica, CA1Lakeside, CA1Homewood, IL1Nuevo, CA1North Riverside, IL1Hanover Park, IL1Windsor Hills, CA1Mojave, CA1Zion, IL1Schiller Park, IL1Monee, IL1Hermosa Beach, CA1Bethel Island, CA1Ramsey, IL1Cardiff, CA1Long Grove, IL1View Park, CA1Rio Linda, CA1