Founded by two educators in 1926, Perfection Learning® provides high-quality, innovative curriculum solutions to K-12 schools across the country and internationally. For over 90 years, Perfection Learning® has been a leader in literature and language arts programs for grades 6-12. These programs cover the complete range of language arts skills and course areas with both textbooks and supplemental programs. Innovative, inquiry-based literature programs provide cost-effective solutions for teaching close reading and writing, developing critical thinking skills, and building literacy engagement—all while incorporating the demands of state standards. Grades K-8 reading/language arts solutions include hybrid print/digital handwriting and spelling programs, supplemental middle school literature programs, and intervention programs in reading and math. Perfection Learning® is also one of the leading providers of trade books to classrooms across the country and delivers an unsurpassed selection of novels, nonfiction books, classroom collections, and literature-based teaching support. In 2013, Perfection Learning® acquired AMSCO School Publications. For over 75 years, AMSCO has excelled in providing high-quality materials in social studies; AP®, ACT, and SAT preparation; world languages; science; language arts; and more. All of us at Perfection Learning are pleased to continue this tradition.

Empirical Technologies provides Mechanical Testing, Research and Development, Engineering Services, and Strategic Regulatory Consulting to a global market place. As a small, woman-owned business, we are dedicated to inclusion and diversity and providing our clients with highest quality services. We are your expert partner providing guidance for you and your project every step of the way for a faster to-market result. What sets Empirical Technologies Corp. apart? • Our People • Our Experience • Complex Problem Resolution and Problem Solving Capabilities • Strategic Mix of Technology and Business Core Capabilities. Our experts and professionals provide analysis, research, design and testing solutions in the following areas. • Mechanical Testing Laboratory • Global Regulatory Consulting (510(k) Submission, EU MDR support, Quality System development and management, etc. ) • Engineering Services • Research and Development • Additive Manufacturing Analysis • Scientific and Technical Consulting • Medical Device Design, Testing and Consulting Certifications and Business Information. • ISO/IEC 17025:2017 Accredited Medical Device Testing Laboratory • ISO-9001:2015 Certified Quality Management System Empirical Testing Corp was founded in December, 1998 and is the global leader in medical device testing and holds A2LA accreditations for the largest number of medical device testing methodologies in the U.S. Primary NAICS Codes. 541380-Testing Laboratories 541330-Engineering Services 541712 Research and Development in the Physical, Engineering and Life Sciences

Woods, Fuller, Shultz & Smith P.C. is a team of legal professionals committed to providing quality legal services since the firm’s inception in 1887. Our clients come from all over the world, but our roots are in South Dakota. All of our lawyers are licensed in South Dakota. We have lawyers that are also licensed in Iowa, Nebraska, North Dakota, and Minnesota, Over the years, the law has become more complicated. We have responded to continuing changes by broadening our services. Our lawyers have the talent to serve your short and long term needs and offer a variety of services with an unmatched commitment to quality. Our firm is large enough to serve all of our clients’ needs, but small enough to provide personal attention.

Supplier of durable plastic solutions to OEM markets around the world Supplier of durable plastic solutions to OEM markets around the world Supplier of durable plastic solutions to OEM markets around the world Supplier of durable plastic solutions to OEM markets around the world

Boyce Law Firm is a full service law firm with twenty attorneys located in Sioux Falls and representing clients throughout South Dakota. The history of the firm dates back to 1878, when founder Frank L. Boyce established the city’s first law firm in downtown Sioux Falls. As the city grew, our firm also grew to meet the changing needs of our clients. Over the years, we have served many of the city’s largest and most successful businesses. Those relationships and our long-standing history give us the insight, expertise and experience you want from a law firm. The lawyers of the firm are committed to serving not only their clients but the State Bar of South Dakota and their communities.

We are a full-service architectural, structural engineering, inter design team with offices in Sioux City, Des Moines and Dubuque, Iowa and Oconomowoc, Wisconsin. Let’s create a better world through design, together!

Henjes Conner & Williams, P.C. is a Certified Public Accounting and Consulting firm located in the Sioux City, IA metro area. The firm hires the best graduates from colleges in Iowa, South Dakota and Nebraska. The firm strongly believes that promotions should come from within the company and all partners, and most senior staff, have many years of experience with Henjes Conner & Williams, P.C. The majority of our personnel started with the firm as staff accountants. The clients served by Henjes Conner & Williams, P.C. are primarily located in Siouxland, an area within a fifty mile radius of Sioux City and consisting of Iowa, Nebraska and South Dakota. Our clients include many small and medium-sized family owned businesses, non-profit organizations, professionals, and some of the largest businesses in our practice area. The firm serves clients in a wide range of industries, including manufacturing, construction, colleges, nursing homes, real estate companies, sports teams, medical practices, fast food sales, and financial institutions. Henjes Conner & Williams, P.C. is a firm that is committed to providing outstanding service to all of our clients, opportunities to all of our personnel, and a friendly and professional work environment for our staff. As a firm, we are committed to being contributing members in Siouxland, with a long-standing tradition of community involvement and civic responsibility.

Cutler Law Firm, LLP, located in Sioux Falls, South Dakota is a full-service law firm representing clients in all areas of the law. For more information about Cutler Law Firm, LLP, visit www.cutlerlawfirm.com or call us at (605) 335-4950.

Global Wireless Solutions (GWS), headquartered in Dulles, Virginia, USA, is the leading independent benchmarking solutions vendor for the wireless industry. Since 1996, GWS’s wireless experts have driven millions of miles across thousands of market drive tests to provide unique benchmarking solutions to some of the largest wireless carriers and equipment manufacturers worldwide. GWS offers unmatched solutions for network benchmarking, analysis and testing. At GWS, we approach each client as a valued partner and work closely with them to meet and exceed their unique requirements. We strive to add high quality, leading edge services and products to open new windows of opportunity for our customers. We are dedicated in our efforts to surpass our clients’ expectations and provide services that excel innovation, expertise, accuracy and efficiency in the daily management of projects. GWS offers a full range of qualified, experienced and conscientious engineering capabilities in support of current and emerging voice and data wireless technologies including LTE, WCDMA UMTS/HSDPA, 1xRTT & 1xEVDO CDMA, iDEN, GSM, GPRS & EDGE.

As an environmental consulting firm, Williams & Company provides insightful and innovative solutions based on practical and professional experience that translates into bottom-line results. Williams & Company works closely with their clients. They function as a member of your management team. Their consultants keep their clients informed and up to date on the issues that concern their business.

CMBA Architects is an award-winning, full service, architectural firm providing multi-disciplinary expertise on a wide variety of building types. CMBA's mission is to provide exceptional design services with the highest level of integrity and creativity. We believe that the design of our built environment directly affects how we live, work and play. We, as designers, have the opportunity and responsibility to enhance the quality of people's lives through design. We're passionate about our work and the people we serve. CMBA offices are located in Sioux City, Des Moines and Spencer, Iowa; and Grand Island, Nebraska.

HISTORY Our reputation for success began in April, 1981 under the name of Naughton Stockwell Engineers. After reorganizing as Stockwell Engineers in 1984, we became incorporated in 1986 and have been providing results under that name ever since. OUR GOAL We’re here to provide fresh perspective and objective advice to enhance the strength of our clients. Our ultimate goal is to provide extra value through our experience, our connections, and our reputation in order to become a true partner in every project we do. SERVICES From our concept and planning all the way through design and construction, our multi-disciplinary team stands ready to deliver. We pride ourselves in thinking solutions through very carefully in order to stay on track to meet your objectives – on time and on budget. Our clients tell us they sleep better at night knowing we’re there when they need us. You will, too. OUR SERVICES INCLUDE: • Development site planning and design • Feasibility analysis and life cycle comparisons • Recreation field and park system analysis, planning, and design • Drainage analysis and design • Water and wastewater system analysis and design • Street, highway, and parking lot design • Landscape analysis and design • Preliminary surveys • Route design surveys • Topographical surveys • Construction staking