I & N Marketing Group, Inc Welcomes You

Expect Great Changes

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Our Manufacturers

Valued Partnerships

I and N Marketing Group is proud to build strong relationships with the following manufactures.  If you have an interest in any of their products, please ask us about them.


Black Swan

Full line chemical and accessories, putty, caulks, wax gaskets, pipe cements, brushes.

Blue Angel Pumps by Wayne Water Systems

Sump pumps, utility pumps, effluent & sewage pumps, packaged systems, and accessories.

Boshart Industries

Full line well supplies and filtration, Square D pressure switches, guages & insert fittings.


Low intensity infrared heaters, cal series, garage and patio heaters, sr series.

E.L. Mustee & Sons

Shower stalls, tub & shower walls, laundry tubs, mop service basins.

Energy Savings Products

Hi-velocity air handler systems, lo-velocity, full line air quality products.

Fernco Products

Flexible couplings, donuts and specialty transition products, pipe patch, storm drain, Pow-R Wrap, and Qwik Seal

Ideal Clamp and No-Hub

Ho-Hub standard and classic, medium, and heavy duty couplings.



Confidence from start to finish with faucets, shower specialties, grab bars, channel drains, and decorative specialties.

Jason Hydrotherapy

Over 30 years of innovative hydrotherapy.

Mr. Steam

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NAPCO Pipe & Fittings

Plumbing pipe, sch. 40 & 80, foam core, D3034, D2729, D2949, D2241


Frostex brand heat tracing products, roof & gutter de-icing

Plastic Trends

Molded and fabricated PVC pipe fittings through 36.


Quick connect plumbing fittings.

Roth Multi Tank

Septic tanks, water cisterns, pump tanks, holding tanks, and rain water harvesting.

Royal Pipe

PVC gasketed & solvent weld pipe, IPS pipe, DWV pipe, COID pressure pipe, SDR 26 & 35 sewer pipe.


Macerating unit & grinders.


Franklin Electric - Water Treatment

Water softeners, iron reduction, drinking water systems, residential and commercial (formerly Sterling Water Treatment)

Zurn Pex

Full line Zurn brand PEX, CR fittings, manifolds, radiant and large diameter.


Team Leader

Bill Byars

Bill joined the Mankin & Associates team in 2006 and brought with him 13 years of industry experience. As a former Plumbing and Heating Wholesaler branch manager, Bill has a great understanding of the needs of his customers and has acquired a significant amount of product knowledge.  Bill has many duties, he currently services all wholesale customers in Western Iowa and the entire state of Nebraska.  Bill's first priority is to provide top-notch customer service, and to build strong customer relationships.


Team Member

Justin Toler

Our newest team member is Justin Toler.  Justin joined our team in November 2018, and brings with him several successful years as a regional sales manager for an Italian company working with domestic and foreign customers.  Justin's attention to detail with customers needs has helped create and grow new business.  Justin has also held the position of Key Account Manager for a national vitamin and mineral premix manufacturer.  Justin and his family currently reside in Earlham, IA.  Justin will be covering central and eastern Iowa.

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Team Member

Randy Bakerink

Another addition to our team is Randy Bakerink.  Randy will be covering our customers in Missouri and Kansas.  Randy has held the positions of senior operations manager for a national restaurant chain, and chief operations officer for a large multifamily housing company.  Additionally he has owned and operated three restaurants and a home construction business. Randy and his family currently reside in Springfield, MO.


Team Member

Vicky Boyle

Vicky Boyle started working for Mankin and Associates in May 2017, and quickly cultivated excellent customer and manufacture relationships.  She brings a wealth of office and interpersonal skills to I and N Marketing.  Vicky is responsible for supporting the outside sales staff, in additional to being a point of contact for daily interactions with customers.



Thank you for your interest in I & N Marketing Group, Inc. If you have a question, concern, or would simply like to get in touch, please see the information below.

917 Adair Street


Business Meeting


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