Since its formation, Superior has invested in 6 platform companies and completed 21 acquisitions in total. The Fund’s portfolio is representative of Superior’s goal of investing in well-positioned, niche-oriented businesses.



Aldora Aluminum & Glass Products, headquartered in Miramar, FL, fabricates and distributes architectural glass and aluminum products. The Company’s products are used in a wide range of applications including hurricane resistant storefronts and entrance doors, frames, shower doors, window systems and curtain wall systems.

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Aldora was created by combining two businesses – Aldora Aluminum & Glass Products and Coastal Glass Distributors, based in Charleston, SC. In 2014, Aldora added Peterson Glass, a Miami-based manufacturer of shower doors and in 2015 Aldora completed a large plant expansion in Orlando. Aldora serves over 1,250 customers located throughout the Southeast U.S.

Rostra Precision Controls, headquartered in Laurinburg, NC, manufactures and distributes electronic vehicle accessories including obstacle sensing systems, cruise controls, comfort systems, accent lighting and turn signal switches for the automotive aftermarket, the heavy-duty aftermarket and heavy-duty OEM’s. Rostra is also a leading provider of electronic transmission and engine management components to the automotive aftermarket and OEM’s.

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The Rostra platform was created when Rostra was merged with OEM Components, a distributor of electronic components for the repair of transmissions. In 2014, Rostra acquired Vehicle Safety Manufacturing in order to enter the heavy-duty market with lighting and accessory products. In 2015, the VSM division added the turn signal switch product line of Grote Industries, making VSM the number one North American provider of turn signal switches to the heavy duty marketplace.

Nelson-Miller, based in Los Angeles, CA designs and manufactures customized membrane switches, graphic overlays, nameplates, keypads and other user-interface and product identification solutions. The products are used by OEM’s primarily in the healthcare, industrial, aerospace and consumer industries.

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Nelson-Miller was created through the merger of Nelson Nameplate and Miller Dial, two Los Angeles based competitors who combined to become one of the largest businesses in its industry.

XanEdu, headquartered in Ann Arbor, MI, is a custom publisher and market leader of digital and printed coursepacks to students at colleges and universities. XanEdu has also developed an industry leading platform for digital learning through mobile devices in the corporate training arena.

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XanEdu was formed through an Article IX acquisition of assets. Today, XanEdu’s course materials can be found on the campuses of over 1,000 colleges and universities in the United States and Canada and are utilized by over 600,000 students annually. In 2014, XanEdu merged with AcademicPub. The combination of AcademicPub’s technology for acquiring and managing digital content with XanEdu’s leading student-facing digital platform has positioned XanEdu as the technology leader for the custom learning materials industry.

Exited Portfolio Companies

Dianne’s Fine Desserts, headquartered in Newburyport, MA is a leading provider of gourmet frozen thaw and serve desserts to the foodservice industry, highly regarded national restaurant chains and the in-store bakeries of national grocery chains.

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Dianne’s Fine Desserts was created by Superior and two executive partners to acquire the Foodservice Desserts Division of HJ Heinz Corporation. In 2014, Dianne’s completed the acquisition of Daystar Desserts in Ashland, VA. Daystar provided Dianne’s with a strong position in the retail market.

In addition to Newburyport and Ashland, Dianne’s has a large bakery in LeCenter, MN. Each of the bakeries has a culinary team focused on new product innovation and food science.

Edge Adhesives, headquartered in Ft. Worth, TX, develops and manufactures environmentally friendly specialty chemical products include hot-melt adhesives, peel and stick substrates, butyl extrusions, and foamed gaskets that are sold into a variety of end markets including electrical, industrial, construction, transportation, and HVAC.

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The Edge platform was created through the acquisition of the assets of Q’So, Inc., which was re-named and re-branded upon closing. The company enhanced its strategic positioning through the subsequent acquisitions of Rubex, Parr and the Plioseal product line which was carved out of Ashland Chemical.