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They provided the sequences for some of the markers and indicated the publications from which they got the sequence for the other markers for the methylation assays. Since it was too much pain to retrieve the sequences for the primers I ended up retrieving CpGs near the genes listed and then finding only the CpGs within CpG islands using Illumina's HMM predictions (part of the Bioconductor package). The reason for that is because I am pretty sure in 2007 they focused on the promoter regions and CpG islands are only within promoter regions of the genes. For the MINTs I mapped the sequences to hg19 (find the table here) and then found all CpGs on 450k platform within those sequences.
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