Take a look at:
https://www.geteducated.com/online-college-ratings-and-rankings/best-buy-lists/best-buy-online-masters-mba-aacsb/#/While a post like that will not be continuously updated, it's a good outline of some options. The flagship state universities in Nebraska, North Dakota and South Dakota are also worth considering.
Seems there is no OU through Amity MBA anymore — they still have a page running (they got two similar pages with terrible support), even payments accepted, but I called admission manager and she said this program is cancelled.
I checked your link and filtered all programs under $16500 (for foreigners) with a Marketing concentration. Flagship state universities are above my budget with the smallest $479 per credit fee in South Dakota. Currently I'm applying to SOSU as they offer four marketing courses in addition to MBA's basic «Marketing management» and also providing 4 prerequisite courses for $300 each through a third party. Eporia and Clayton State Universities also good, but 3 additional marketing courses and Clayton still hasn't answered do they need prerequisite courses or not.
1. S. Oklahoma SU -12000+1200=13200 Core: BUS 5113: Research Methods MKT 5243: Marketing Management Electives: MKT 5533: Social Media MarketingMKT 5543: Analytics for Supply Chain Logistics, MKT 5553: Marketing AnalyticsMKT 5633: Consumer Behavior
2. Eporia State University 12000 + 2000 =$14000MKT 5243: Marketing ManagementMK 810: Marketing AnalyticsMK 830: Electronic MarketingMK 851: Consumer Behavior
3. Clayton State University $13,933.00MKTG 5200 Marketing Strategy 3MKTG 5110 Digital Marketing Fundamentals 3MKTG 5111 Digital Marketing Strategy 3MKTG 5112 Social Media Strategy 3
4. Louisiana State University-Shreveport 12,473.90 + 416 Сore: MBA 706: Marketing StrategyElectives: MBA 741: Data-Driven Decision Making MBA 744: Visualization of Data for Business MBA 777: Advanced Marketing Analytics
5. Londwood $13,200.00 Сore: MK 13600 Strategic marketing Electives: ECON 576: Data VisualizationMARK 683: Consumer Behavior & Research 3/10/23
6. Lamar University $12,626* - $15,152 Core: MKTG 5310: Marketing Management MISY 5380: Enterprise Systems/CRMMKTG 5350: Digital MarketingMKTG 5370: Marketing Research
7. Wichita State University $15,335.28MKT 801 Marketing Management MKT 803 Marketing AnalysisMKT 805 Consumer Decision-making Process MKT 890 Seminar in Special Topics
8. Southern Utah University $16000MKTG 6200: MarketingMKTG 6300: Marketing Analytics MKTG 6930: Integrated Marketing
9. The University of Texas Permian Basin MK - $16500 MRKT 6310 Marketing Management MRKT 6302 Marketing Analytics MRKT 6316: Marketing Research MRKT 6366: Marketing Strategy