Mystery Shoppers http://www.weneed.com/

Genesis Group http://www.genesisgrp.com/

SG Marketing Group http://www.sgmarketing.com/

Speedmark http://www.speedmarkweb.com/

Quality Assurance Consultants http://www.qacinc.com/

Quality Check http://www.undercovershopper.com/

Courtesy Counts http://www.courtesycounts.com/

Plethora http://www.benzie.com/plethora/ Only in a few cities

Service Probe http://www.pwgroup.com/sprobe/ Mostly southern states

Rapid Chek http://www.rapidchek.com/

Service Quest http://www.service-quality.com/

Shoppers View http://www.shoppersview.com/

Critique International http://www.critiqueinternational.com/

Checkup Marketing http://www.checkupmarketing.com/

Focus on Service http://www.focusonservice.com/

Investigative Marketing http://www.investigativemarketing.com/

Pulse Back http://www.pulseback.com/evaluators.htm

Best Mark http://www.bestmark.com/

The Corporate Research Group http://www.thecrg.com/

Check Mark http://www.checkmarkinc.com/

Quest for Best Mystery Shoppers http://www.questforbest.com/

Service Research, Inc. http://www.gosri.com/

Spot Checks http://www.spotchecks.com/

At Your Service Marketing http://aysm.com/jobs_pl.htm

Confero http://conferoinc.com/

Nationwide Integrity http://www.nationwideintegrity.com/

Mystery Shopper USA http://www.bmiltd.com/

ICC/Decision Services http://www.iccds.com/

Retail Biz Consulting http://www.retailbiz.com/mars.html

Sights On Sound http://www.mysteryshop.com/

Ken-Rich Retail Group http://www.ken-rich.com/

Lasting Impressions http://exitnow.com/lasting/mystery_shopper_application.htm

Hindsight http://www.hndsight.com/

Jancyn http://www.jancyn.com/

Feedback Plus http://www.gofeedback.com/

Mercantile Systems http://www.mercsurveys.com/

Marketing Systems Unlimited http://msultd.com/ Seeking full time shoppers

Mars Surveys http://www.marsresearch.com/index1.html

Metro Park Mystery Shopper http://www.metropark.com/nggroup/

Person to Person Quality http://www.persontopersonquality.com/

Sensors Quality Management http://www.sqm.ca/

Shoppers International, Inc http://www.shoppersinternational.com/

Green and Associates http://www.greenandassociates.com/

Service Trac, Inc http://www.servicetrac.com/

Ann Michaels http://www.ishopforyou.com/ Chicago Area