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    MGM Plastics

    4.6 (25 reviews)
    Open 8:30 am - 5:00 pm

    Services - MGM Plastics

    Machine shops

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    Reviews With Photos

    Justin R.

    I've worked with Scott @ MGM Plastics on a few occasions to have custom acrylic desk partitions created for the staff at my office. Everyone at MGM is fantastic to work with from the front desk all the way to up to Scott the General Manager. I have continued to use them as a vendor and will continue to use them in the future.

    Guido S.

    With the current situation we find ourselves in with the COVID-19 pandemic we were in need of shields to help protect our sales force and provide an extra line of defense. MGM Plastics stepped up and were able to supply our 100+ locations with sturdy, self standing, and portable shields. Not only were they able to fill our large order quickly, delivered a full day ahead of expectation, but were able to come in at a price point that works for our budget. If you're in need of any custom forming or construction of acrylic or polycarbonate this is the place to have it done.

    1 of 2 Fresh Water tanks - Large dimensions, only 5" tall, 2 of these fit under trailer.

    I contacted MGM after searching for replacement freshwater tanks for our 2001 toy hauler trailer, because the dimensions of each tank (2 x 60 gallon) were too unique to easily find replacements (65" x 46" x 5" height). Maybe these tanks could be salvaged and simply repaired! Two fittings were broken on 1 tank, and the other had a top corner crack from years of wear on the trailer body. After a simple Google search for RV Plastic Tank repair in SD, I found MGM Plastics in San Marcos. Their shop being 80+ miles each way from our place in East SD Mountains, we fully expected to load the truck and make 2 separate trips, picking up the tanks another day after a reasonable time for the repairs to be completed. We got to MGM in the afternoon, and the crew suggested we go have lunch and come back, and they should be finished! We had a great lunch at The Taco Bar (check it out, friends!) and after little more than 1 hour, the tanks were repaired with 2 new fittings, and a quality-looking plastic weld on the crack. MGM charged WAY less than we expected, and their promptness saved us another half-day trip (160 miles RT) with the thirsty V-10 truck. These folks really care about quality work, and caring for their customers. This repair work saved a LOT of frustration over trying to replace the fresh water holding tanks on this trailer. Scott was super communicative before-hand about being able to help us out before we made the trip. I can't say enough about the great experience. Thanks from really happy customers. Before & After photos....

    The original leaky fitting...

    I ran something over while getting out of a camping spot @ Ocotillo on my new toy hauler. Apparently, the 100gal fresh water tank's dump valve (it does sit awfully LOW) was also hit & started to leak at the fitting. I was going to take the tank to the manufacturer INCA @ Adelanto for repair but decided to see if someone closer can do the job. SO I called MGM, the receptionists were total sweethearts, answered ALL my questions & more. I pulled out the tank & took it over to them around Friday noon explained to them the situation, driving 2.5 hours one way.. on a Monday... If only I could get it fixed today, I'd be able to use my Saturday to install the tank back in... Scott dropped what he was doing to take a look at the tank, explained to me the way these fittings are put on at the factory (friction welded) then explained how he repairs these tanks.. that they've done many many RV tanks with a similar damage/leak.. I can tell right away he can do the repair in his sleep. Short story long, Scott did a FANTASTIC job on the repair, not a drop of water leaked out of the repair area & I'm back on the road again. I couldn't be more happier with the professionalism, level of compassion and the confidence and QUALITY of the work performed. Almost forgot, the cost was extremely reasonable. I couldn't be any more happier. Wish I could leave 10 stars.

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    2 months ago

    These guys ROCK! I highly recommend them. Fast turnaround for parts I needed repaired. Will definitely use them again.

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    6 years ago

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    7 years ago

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    4 years ago

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    Scott M.

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    5 years ago

    Top notch company. Have been working with them for years. Will continue my business with them

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    9 years ago

    Thank you Scott for helping me get my ABS art coated board cut when no one else would. Made my day!!!

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    6 years ago

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    8 years ago

    Always get vinyl there and so many options for plastics. Staff is very helpful. They can custom cut pretty much anything you need.

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    12 years ago

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    Ask the Community - MGM Plastics

    Review Highlights - MGM Plastics

    Everyone at MGM is fantastic to work with from the front desk all the way to up to Scott the General Manager.

    Mentioned in 6 reviews

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    Jordan Bolton Studio

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    Jordan was very patient and understanding with the order I had to place. He was on top of…read moreeverything and very communicative. I would definitely go to him whenever I need any embroidery!

    This review is based on communication experience, not work quality, as I was unable to get past a…read moremonth of unprogressive back and forth. I found this business through Yelp while searching for a custom shirt company for a large multidisciplinary project with other investors. Their excellent reviews, quality work samples, design assistance capabilities, and small minimum orders for samples made them appear to be an ideal fit. After reviewing their website and options, I reached out over a month ago but received no response. Assuming my message didn't go through, I contacted them again via Yelp on August 15th and received an initial response. However, after I replied, I had to follow up a week later due to no response. They responded again, and I provided the additional requested information on August 25th. I followed up on September 3rd, and it has now been two weeks since my last message. While I understand the challenges independent businesses face in the current economic climate and have been extremely patient due to their 5-star reviews, this level of communication has been completely unprofessional. As a former small business owner, I always maintained transparency about whether projects were within my scope, ability, or bandwidth. If I couldn't take on a project, I communicated that clearly rather than leaving clients in limbo. After more than a month of unproductive back-and-forth, I question whether these 5-star reviews accurately reflect the current service experience.

    MGM Plastics - machineshops - Updated May 2026

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