Hi Spaceace, I wasn't able to separate them by county, but I'll list here what I find and you can figure out what's close to your home/job or how far you are willing to travel after speaking to them or reviewing websites and/or pamphlets they may be able to send you.

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I found these two in NJ for colon irrigation practitioners

Ursula Szypryt, Sayerville, NJ 08872, (732) 525-1367
Touch Of Warmth, Edison and Metuchen, NJ, 732-738-3800

under colon hydrotherapy, I found

Carylann Bautz
ALLERGY & HEALTH SOLULTIONS
278 Tuckerton Rd
Medford, NJ 08055
USA
Phone: 609-714-7740
Email: carylann@feellikeus.com
Cert. Level: Instructor Level

Diane Bleimann, RN, MSW
525 East Rt. 70, Ste 3-F - Brick Office Park
Brick, NJ 08732
USA
Phone: 732-918-2199
Cert. Level: Intermediate Level

Susan M. Bradshaw
TRANQUILITY CENTER
239 North Second Ave.
Manville, NJ 08835
USA
Phone: 732-390-0990
Cert. Level: Foundation Level

Helene Therese Diab
AMERICAN HOLISTIC HEALTH CARE
131 Millburn Ave.
Millburn, NJ 07041
USA
Phone: 973-258-9055
Cert. Level: Foundation Level

Linda A. Durren
A TOUCH OF WARMTH
Main St.
Edison & Metuchen, NJ 08840
USA
Phone: 732-738-3800
Cert. Level: None

Gale M. Griffin
HARMONY BALANCE & SPIRIT
141 Union Ave. (R 28) - Suite 1
Middlesex, NJ 08846
USA
Phone: 732-271-1411
Cert. Level: Intermediate Level

Debrah K. Harding, N.D.
NATURAL HEALTH CLINIC & APOTHECARY
16 N. Maple Ave.
Marlton, NJ 08081
USA
Phone: 609-970-2240
Email: drharding@debrahharding.com
Cert. Level: None

Melvin P. Jenkins, Jr.
COLON HEALTH MATTERS, LLC
908 Oak Tree Rd., Suite O
South Plainfield, NJ 07080
USA
Phone: 908-757-7770 Fax: 908-380-5040 - cell
Email: meljenkins@comcast.net
Cert. Level: Intermediate Level

Rose Mary Laskow
EARTH SPRING WELLNESS CENTER
354 Dover Milton Road
Oak Ridge, NJ 07438
USA
Phone: 973-697-3530 Fax: 973-208-1446
Cert. Level: Instructor Level
National Board Certification: yes

Lynda C. Law
PO Box 224
Clementon, NJ 08021
USA
Phone: 609-489-0505 Fax: (609) 374-1976
Cert. Level: Foundation Level

Elena Malchevsky
219 Main St.
South Amboy, NJ 08879
USA
Phone: 732-721-7380
Cert. Level: None

CMT, CCT Richard G. Miller
BODYOGRAPHY HEALING ARTS SERVICES
6 Flower Court
Edison, NJ 08820
USA
Phone: 732-549-7501 Fax: 732-549-7529
Email: RichMAJ@aol.com
Cert. Level: None

Sonia Mulero-Salaam
AMENITY CLEANSING
555 Valley Road
West Orange, NJ 07052
USA
Phone: 973-207-9502
Email: mulerosalaam@msn.com
Cert. Level: Foundation Level

Ann M. Ochs
45 Mile Dr.
Chester, NJ 07930
USA
Phone: 908-879-0755
Cert. Level: Advanced level
National Board Certification: Yes

Nina Penciu
HEALTH ALTERNATIVES
253 S. Washington Ave.
Bergenfield, NJ 07621
USA
Phone: 201-385-1462
Cert. Level: Instructor Level
National Board Certification: No

Elizabeth I. Roesener
HUB CITY COLON HYDROTHERAPY
253 Livingston Ave., Fl 2
New Brunswick, NJ 08901
USA
Phone: 732-565-3700
Cert. Level: Intermediate Level
National Board Certification: yes

Daree Rose

Oceanport, NJ 07757
USA
Phone: 732-542-0827
Cert. Level: Foundation Level

M.D. Sharda Sharma
SHARMA HOLISTIC MEDICAL CENTER
131 Millburn Ave.
Millburn, NJ 07041
USA
Phone: 973-376-4500
Cert. Level: Instructor Level
National Board Certification: yes

L.P.N. Ursula Szypryt
CLEAN & CLEAR
17 Latham Circle
Parlin, NJ 08859
USA
Phone: 732-525-1367
Cert. Level: None

Shaista Tahir
WELLNESS CONNECTION
26-07 Broadway, Suite 12
Fairlawn, NJ 07407
USA
Phone: 201-328-7872
Cert. Level: Foundation Level

RN Marilee J. Tolen
PLAZA OFFICE CENTER, SUITES 101-103
560 Fellowship Rd
Mt. Laurel, NJ 08054
USA
Phone: 856-727-8181 Fax: 856-857-0353
Email: info@healingenergies.com
Cert. Level: Intermediate Level

Jill Tonkovich
MINDING THE BODY WELLNESS CENTER
718 Arnold Ave
Pt. Pleasant, NJ 08742
USA
Phone: 732-892-7566
Cert. Level: Instructor Level
National Board Certification: yes

Valentina Uskach
VALDI SPA & TANNING SALON
26 Bloomfield Ave.
Denville, NJ 07834
USA
Phone: 973-664-1441 Fax: 973-664-0680
Cert. Level: Advanced Level

MPT Gail Elizabeth Wendel
P.O. Box 2011
Vincentown, NJ 08088
USA
Phone: 609-801-0206
Email: chconcepts@hotmail.com
Cert. Level: Intermediate Level
National Board Certification: yes
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this link lists colon therapists in NJ

http://www.therapistlocatorservice.com/cgi-bin/locata/search.usas.cgi?State=NJ&Sort_Order=CCC

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I hope this helps, please let me know if you have any further questions as it costs nothing to click reply. If this has helped, please remember to click the green accept button.

Warmly,

Lisa